diff --git a/Makefile b/Makefile
index 7211144a..26387e68 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,7 @@ test:
 			exit 1; \
 		elif grep -q "build failed" tmp.out; then \
 			rm tmp.out; \
-			exit; \
+			exit 1; \
 		fi; \
 		if [ -f profile.out ]; then \
 			cat profile.out | grep -v "mode:" >> coverage.out; \