diff --git a/scripts/check_glibcxx.sh b/scripts/check_glibcxx.sh
index 9e4cbc54f..ae298939e 100755
--- a/scripts/check_glibcxx.sh
+++ b/scripts/check_glibcxx.sh
@@ -33,4 +33,4 @@ for i in src/libmapnik*; do
     check $i
 done
 
-return ${FINAL_RETURN_CODE}
\ No newline at end of file
+exit ${FINAL_RETURN_CODE}