diff --git a/src/StubExecutable/StubExecutable.cpp b/src/StubExecutable/StubExecutable.cpp
index 6299dec57..2d8f0cf65 100644
--- a/src/StubExecutable/StubExecutable.cpp
+++ b/src/StubExecutable/StubExecutable.cpp
@@ -50,7 +50,7 @@ std::wstring FindLatestAppDir()
 	WIN32_FIND_DATA fileInfo = { 0 };
 	HANDLE hFile = FindFirstFile(ourDir.c_str(), &fileInfo);
 	if (hFile == INVALID_HANDLE_VALUE) {
-		return NULL;
+		return std::wstring();
 	}
 
 	version::Semver200_version acc("0.0.0");
@@ -74,7 +74,7 @@ std::wstring FindLatestAppDir()
 	} while (FindNextFile(hFile, &fileInfo));
 
 	if (acc == version::Semver200_version("0.0.0")) {
-		return NULL;
+		return std::wstring();
 	}
 
 	ourDir.assign(FindRootAppDir());