diff --git a/test/SystemTests/Game/IW3/SimpleZoneIW3.cpp b/test/SystemTests/Game/IW3/SimpleZoneIW3.cpp
index f5a206fd..f60ec550 100644
--- a/test/SystemTests/Game/IW3/SimpleZoneIW3.cpp
+++ b/test/SystemTests/Game/IW3/SimpleZoneIW3.cpp
@@ -13,9 +13,9 @@ namespace
 {
     TEST_CASE("Simple Zone(IW3)", "[iw3][system][simple]")
     {
-        const auto assetSearchPath = oat::paths::GetSystemTestsDirectory() / "Game/IW3/simple";
-        const auto sourceSearchPath = oat::paths::GetSystemTestsDirectory() / "Game/IW3/simple";
-        const auto outputPath = oat::paths::GetTempDirectory("iw3_simple");
+        const auto assetSearchPath = (oat::paths::GetSystemTestsDirectory() / "Game/IW3/simple").string();
+        const auto sourceSearchPath = (oat::paths::GetSystemTestsDirectory() / "Game/IW3/simple").string();
+        const auto outputPath = oat::paths::GetTempDirectory("iw3_simple").string();
 
         const char* argStrings[]{
             "SystemTests", // bin