diff --git a/test/CBackend/Makefile b/test/CBackend/Makefile
index d3ce4435e80..06e1bdeb6bf 100644
--- a/test/CBackend/Makefile
+++ b/test/CBackend/Makefile
@@ -15,9 +15,9 @@ all:: $(addprefix Output/, $(TESTS:%.ll=%.to))
 
 
 Output/%.to: Output/%.c
-	$(CC) -c $< -o $@ #|| \
+	$(CC) -c $< -o $@ || \
 		(rm -f $@; $(FAILURE) $@ )
 
 Output/%.c: %.ll Output/.dir $(LAS) $(LDIS)
-	$(LAS) < $< | $(LDIS) -c > $@ #|| \
+	$(LAS) < $< | $(LDIS) -c > $@ || \
 		(rm -f $@; $(FAILURE) $@ )