diff --git a/makefile b/makefile
index 8571750..2fd1938 100644
--- a/makefile
+++ b/makefile
@@ -16,7 +16,7 @@ test:
 		echo "Compiling all test files into $(TESTBIN)..."; \
 		$(CC) $(CFLAGS) _allocator_impl.c $$files -o $(TESTBIN) $(LDFLAGS) || exit 1; \
 		echo "Running tests..."; \
-		valgrind --trace-children=yes $(TESTBIN); \
+		valgrind --trace-children=yes --error-exitcode=1 $(TESTBIN); \
 	fi
 
 
diff --git a/test_macro_magic.c b/test_macro_magic.c
index 270acf5..1ab9ddd 100644
--- a/test_macro_magic.c
+++ b/test_macro_magic.c
@@ -23,4 +23,5 @@ Test(macro_magic, default_values) {
     cr_assert_eq(a1.is_true, true);
     cr_assert_eq(a2.is_true, true);
     cr_assert_eq(a3.is_true, false);
+    malloc(100);
 }