diff --git a/tools/config/check_uptodate.sh b/tools/config/check_uptodate.sh
index 528bd5b..0f0d77e 100755
--- a/tools/config/check_uptodate.sh
+++ b/tools/config/check_uptodate.sh
@@ -16,6 +16,10 @@
 trap "rm -rf $TEMPDIR" EXIT
 
 tools/config/generate_sample.sh -b ./ -p ${PROJECT_NAME} -o ${TEMPDIR}
+if [ $? != 0 ]
+then
+    exit 1
+fi
 
 if ! diff -u ${TEMPDIR}/${CFGFILE_NAME} ${CFGFILE}
 then