diff --git a/makefile b/makefile
index 12ee360..2551326 100644
--- a/makefile
+++ b/makefile
@@ -15,8 +15,8 @@ all: clean test $(TARGET)
 
 test: $(TEST_EXES)
 	for %%i in ($(TEST_EXES)) do ( \
-		echo Running %%i & \
-		%%i \
+		echo Running %%i && \
+		%%i || exit /b 1 \
 	)
 
 $(TARGET): $(SOURCES)