diff --git a/gentooup.sh b/gentooup.sh
index da83667..97dcb4e 100755
--- a/gentooup.sh
+++ b/gentooup.sh
@@ -121,7 +121,7 @@ echo Started at "$STARTDATE"
 CURRENTKERNELVERSION="$(uname -r)"
 emerge --no-replace gentoo-sources:"${CURRENTKERNELVERSION/"-gentoo"/}"
 emerge -a  "${PORTAGE_OPTIONS[@]}" --depclean
-if [[ "$(grep -c gentoo-sources /var/lib/portage/world)" gt 2 ]] ; then
+if [[ "$(grep -c gentoo-sources /var/lib/portage/world)" -gt 2 ]] ; then
   echo too many kernelversion in world file!
   grep gentoo-source /var/lib/portage/world
 fi