diff --git a/packages/os.sh b/packages/os.sh
index 6614c7a..3b9b592 100644
--- a/packages/os.sh
+++ b/packages/os.sh
@@ -96,6 +96,6 @@ done
 # graphics UI detection
 # basically just checks if an X server is running on the machine and if yes, we just assume it's a desktop, not a server
 # grep will be always returned as a process with Xorg in the command line, so assume there must be a second process for this to succeed
-if [ $(ps aux | grep Xorg | wc -l) -gt 1 ]; then
+if [ "$(ps aux | grep Xorg | wc -l)" -gt 1 ]; then
 	add_tag "xorg_running" "desktop"
 fi