diff --git a/shell/aliases.sh b/shell/aliases.sh
index b8c1529..5bd1292 100755
--- a/shell/aliases.sh
+++ b/shell/aliases.sh
@@ -56,9 +56,9 @@ if [ ! -z "$(type sudo 2>/dev/null)" -a "$USER" != 'root' ]; then
 	unset sudo
 
 	pacman(){
-		# Check if pacman has -R or -S option
+		# Check if pacman has -R, -S or -U option
 		# which should indicate in most times if we need sudo
-		echo "$*" | grep -- "-[SR]" >/dev/null 2>&1 \
+		echo "$*" | grep -- "-[SRU]" >/dev/null 2>&1 \
 			&& sudo /usr/bin/pacman $* \
 			||      /usr/bin/pacman $*
 	}