1 files changed, 6 insertions, 1 deletions
diff --git a/vespalib/src/tests/testapp-debug/testapp-debug.cpp b/vespalib/src/tests/testapp-debug/testapp-debug.cpp
index 7b332220f1d..cbe032f19f8 100644
--- a/vespalib/src/tests/testapp-debug/testapp-debug.cpp
+++ b/vespalib/src/tests/testapp-debug/testapp-debug.cpp
@@ -1,11 +1,16 @@
 // Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
 #include <vespa/fastos/fastos.h>
 #include <vespa/vespalib/testkit/test_kit.h>
+#include <vespa/vespalib/testkit/testapp.h>
 
 using namespace vespalib;
 
 TEST_MAIN() {
     system("./vespalib_debug_test_app");
     system("diff lhs.out rhs.out > diff.out");
-    EXPECT_EQUAL(system("diff diff.out diff.ref"), 0);
+
+
+    std::string diff_cmd("diff diff.out ");
+    diff_cmd += vespalib::TestApp::GetSourceDirectory() + "diff.ref";
+    EXPECT_EQUAL(system(diff_cmd.c_str()), 0);
 }