diff --git a/server/core/test/test_buffer.cc b/server/core/test/test_buffer.cc
index b48aefee6..8a8eaf84b 100644
--- a/server/core/test/test_buffer.cc
+++ b/server/core/test/test_buffer.cc
@@ -589,5 +589,5 @@ int main(int argc, char** argv)
 
     result += test1();
 
-    exit(result);
+    return result;
 }