diff --git a/herbstluftwm/usr/bin/hrunorraise b/herbstluftwm/usr/bin/hrunorraise
index f869e93..ac449e4 100755
--- a/herbstluftwm/usr/bin/hrunorraise
+++ b/herbstluftwm/usr/bin/hrunorraise
@@ -7,7 +7,7 @@
 #
 # This script depends on both herbstluftwm and wmctrl.
 
-WINID=$(wmctrl -lx | grep ".$1" | awk '{ print $1 }')
+WINID=$(wmctrl -lx | grep "\.$1" | awk '{ print $1 }')
 
 if [ -n "${WINID}" ]; then
     herbstclient jumpto "${WINID}"