diff --git a/src/cdm-xlaunch b/src/cdm-xlaunch
index e6b4986..79c1829 100755
--- a/src/cdm-xlaunch
+++ b/src/cdm-xlaunch
@@ -77,7 +77,7 @@ if $consolekit; then
 fi
 
 # Conform to POSIX and do not use `>&' here.
-setsid startx $* > /dev/null 2>&1 &
+setsid startx "$@" > /dev/null 2>&1 &
 
 # If wait(1) returns with a value >128, it was interrupted by kill(1),
 # so registration was sucessful.