diff --git a/utils/do_debian_package.sh b/utils/do_debian_package.sh
index e428d68e1..c9e68e8bf 100755
--- a/utils/do_debian_package.sh
+++ b/utils/do_debian_package.sh
@@ -215,7 +215,7 @@ if [ "$DEBSIGN_KEYID" != "" ]; then
   DEBUILD="$DEBUILD -k$DEBSIGN_KEYID"
 fi
 $DEBUILD
-if [ $? ]; then
+if [ "$?" != "0" ]; then
 echo "Error status code is: $?"
   echo "Build failed.";
   exit $?;