diff --git a/modules/services/blackbox/default.nix b/modules/services/blackbox/default.nix
index 1ee7c26..ef855ef 100644
--- a/modules/services/blackbox/default.nix
+++ b/modules/services/blackbox/default.nix
@@ -92,7 +92,7 @@ in
 
     my.services.prometheus.rules = {
       BlackboxProbeFailed = {
-        condition = ''probe_success == 0'';
+        condition = "probe_success == 0";
         description = "Blackbox probe failed (instance {{ $labels.instance }}): {{$value}}";
         time = "1m";
         labels = {
@@ -100,7 +100,7 @@ in
         };
       };
       BlackboxConfigurationReloadFailure = {
-        condition = ''blackbox_exporter_config_last_reload_successful != 1'';
+        condition = "blackbox_exporter_config_last_reload_successful != 1";
         description = "Blackbox configuration reload failure\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}";
         time = "0m";
         labels = {
@@ -108,7 +108,7 @@ in
         };
       };
       BlackboxSlowProbe = {
-        condition = ''avg_over_time(probe_duration_seconds[1m]) > 2'';
+        condition = "avg_over_time(probe_duration_seconds[1m]) > 2";
         description = "Blackbox probe took more than 2s to complete\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}";
         time = "1m";
         labels = {
@@ -116,12 +116,12 @@ in
         };
       };
       BlackboxProbeHttpFailure = {
-        condition = ''probe_http_status_code <= 199 OR probe_http_status_code >= 400'';
+        condition = "probe_http_status_code <= 199 OR probe_http_status_code >= 400";
         description = "HTTP status code is not 200-399\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}";
         time = "1m";
       };
       BlackboxSslCertificateWillExpireSoon = {
-        condition = ''3 <= round((last_over_time(probe_ssl_earliest_cert_expiry[10m]) - time()) / 86400, 0.1) < 20'';
+        condition = "3 <= round((last_over_time(probe_ssl_earliest_cert_expiry[10m]) - time()) / 86400, 0.1) < 20";
         description = "SSL certificate expires in less than 20 days\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}";
         time = "0m";
         labels = {
@@ -129,7 +129,7 @@ in
         };
       };
       BlackboxSslCertificateWillExpireShortly = {
-        condition = ''0 <= round((last_over_time(probe_ssl_earliest_cert_expiry[10m]) - time()) / 86400, 0.1) < 3'';
+        condition = "0 <= round((last_over_time(probe_ssl_earliest_cert_expiry[10m]) - time()) / 86400, 0.1) < 3";
         description = "SSL certificate expires in less than 3 days\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}";
         time = "0m";
         labels = {
@@ -137,7 +137,7 @@ in
         };
       };
       BlackboxProbeSlowHttp = {
-        condition = ''avg_over_time(probe_http_duration_seconds[1m]) > 2'';
+        condition = "avg_over_time(probe_http_duration_seconds[1m]) > 2";
         description = "HTTP request took more than 2s\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}";
         time = "1m";
         labels = {
@@ -145,7 +145,7 @@ in
         };
       };
       BlackboxProbeSlowPing = {
-        condition = ''avg_over_time(probe_icmp_duration_seconds[1m]) > 1'';
+        condition = "avg_over_time(probe_icmp_duration_seconds[1m]) > 1";
         description = "Blackbox ping took more than 1s\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}";
         time = "1m";
         labels = {
diff --git a/modules/services/media/navidrome/default.nix b/modules/services/media/navidrome/default.nix
index ef64dad..87cd51b 100644
--- a/modules/services/media/navidrome/default.nix
+++ b/modules/services/media/navidrome/default.nix
@@ -76,7 +76,7 @@ in
 
     my.services.prometheus.rules = {
       navidrome_not_enough_albums = {
-        condition = ''http_navidrome_album_count != 1'';
+        condition = "http_navidrome_album_count != 1";
         description = "navidrome: not enough albums as expected: {{$value}}";
       };
     };
diff --git a/modules/services/node-exporter/default.nix b/modules/services/node-exporter/default.nix
index e3f4648..715e517 100644
--- a/modules/services/node-exporter/default.nix
+++ b/modules/services/node-exporter/default.nix
@@ -115,7 +115,7 @@ in
         description = "{{$labels.instance}} device {{$labels.device}} on {{$labels.path}} got less than 10% space left on its filesystem";
       };
       filesystem_inodes_full = {
-        condition = ''node_filesystem_files_free / node_filesystem_files < 0.10'';
+        condition = "node_filesystem_files_free / node_filesystem_files < 0.10";
         time = "10m";
         description = "{{$labels.instance}} device {{$labels.device}} on {{$labels.path}} got less than 10% inodes left on its filesystem";
       };
@@ -125,11 +125,11 @@ in
         description = "{{$labels.instance}}: filesystem has reported {{$value}} errors: check /sys/fs/ext4/*/errors_count";
       };
       disk_unusual_read = {
-        condition = ''sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50'';
+        condition = "sum by (instance) (rate(node_disk_read_bytes_total[2m])) / 1024 / 1024 > 50";
         description = ''Disk is probably reading too much data (> 50 MB/s)\n  VALUE = {{ $value }}'';
       };
       disk_unusual_write = {
-        condition = ''sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50'';
+        condition = "sum by (instance) (rate(node_disk_written_bytes_total[2m])) / 1024 / 1024 > 50";
         description = ''Disk is probably writing too much data (> 50 MB/s)\n  VALUE = {{ $value }}'';
       };
       # memory
@@ -144,21 +144,21 @@ in
         description = ''CPU load is > 80%\n  VALUE = {{ $value }}'';
       };
       swap_is_filling = {
-        condition = ''(1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80'';
+        condition = "(1 - (node_memory_SwapFree_bytes / node_memory_SwapTotal_bytes)) * 100 > 80";
         description = "{{$labels.host}} is using {{$value}} (>80%) of its swap space";
       };
       oom_kill_detected = {
-        condition = ''increase(node_vmstat_oom_kill[1m]) > 0'';
+        condition = "increase(node_vmstat_oom_kill[1m]) > 0";
         description = ''OOM kill detected\n  VALUE = {{ $value }}'';
         time = "0m";
       };
       # network
       network_unusual_throughput_in = {
-        condition = ''sum by (instance) (rate(node_network_receive_bytes_total[2m])) / 1024 / 1024 > 100'';
+        condition = "sum by (instance) (rate(node_network_receive_bytes_total[2m])) / 1024 / 1024 > 100";
         description = ''Host network interfaces are probably receiving too much data (> 100 MB/s)\n  VALUE = {{ $value }}'';
       };
       network_unusual_throughput_out = {
-        condition = ''sum by (instance) (rate(node_network_transmit_bytes_total[2m])) / 1024 / 1024 > 100'';
+        condition = "sum by (instance) (rate(node_network_transmit_bytes_total[2m])) / 1024 / 1024 > 100";
         description = ''Host network interfaces are probably sending too much data (> 100 MB/s)\n  VALUE = {{ $value }}'';
       };
       # uptime
@@ -167,7 +167,7 @@ in
         description = "{{$labels.host}} just rebooted";
       };
       uptime = {
-        condition = ''node_time_seconds - node_boot_time_seconds > (30 * 24 * 60 * 60)'';
+        condition = "node_time_seconds - node_boot_time_seconds > (30 * 24 * 60 * 60)";
         description = "Uptime monster: {{$labels.host}} has been up for more than 30 days";
       };
       # systemd
@@ -178,7 +178,7 @@ in
       };
       # time
       clock_not_synchronising = {
-        condition = ''min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16'';
+        condition = "min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16";
         description = ''Clock not synchronising.\n  VALUE = {{ $value }}'';
       };
     };
diff --git a/modules/services/promtail/default.nix b/modules/services/promtail/default.nix
index cc8374d..0fec069 100644
--- a/modules/services/promtail/default.nix
+++ b/modules/services/promtail/default.nix
@@ -61,9 +61,9 @@ in
       };
 
       promtail_file_lagging = {
-        condition = ''abs(promtail_file_bytes_total - promtail_read_bytes_total) > 1e6'';
+        condition = "abs(promtail_file_bytes_total - promtail_read_bytes_total) > 1e6";
         time = "15m";
-        description = ''{{ $labels.instance }} {{ $labels.job }} {{ $labels.path }} has been lagging by more than 1MB for more than 15m'';
+        description = "{{ $labels.instance }} {{ $labels.job }} {{ $labels.path }} has been lagging by more than 1MB for more than 15m";
       };
     };