diff --git a/pcsx2/GameDatabase.cpp b/pcsx2/GameDatabase.cpp
index 9b75d07e0d..3a6ee36b3c 100644
--- a/pcsx2/GameDatabase.cpp
+++ b/pcsx2/GameDatabase.cpp
@@ -26,7 +26,7 @@ std::string GameDatabaseSchema::GameEntry::memcardFiltersAsString()
 		return "";
 
 	std::string filters;
-	for (int i = 0; i < memcardFilters.size(); i++)
+	for (u32 i = 0; i < memcardFilters.size(); i++)
 	{
 		std::string f = memcardFilters.at(i);
 		filters.append(f);
@@ -93,7 +93,7 @@ GameDatabaseSchema::GameEntry YamlGameDatabaseImpl::entryFromYaml(const std::str
 			bool fixValidated = false;
 			for (GamefixId id = GamefixId_FIRST; id < pxEnumEnd; ++id)
 			{
-				std::string validFix = wxString(EnumToString(id)).ToStdString() + L"Hack";
+				std::string validFix = wxString(EnumToString(id)).Append(L"Hack").ToStdString();
 				if (validFix == fix)
 				{
 					fixValidated = true;
diff --git a/pcsx2/gui/AppCoreThread.cpp b/pcsx2/gui/AppCoreThread.cpp
index b1b42f1849..3f85b97056 100644
--- a/pcsx2/gui/AppCoreThread.cpp
+++ b/pcsx2/gui/AppCoreThread.cpp
@@ -311,8 +311,8 @@ static int loadGameSettings(Pcsx2Config& dest, const GameDatabaseSchema::GameEnt
 	// TODO - config - this could be simplified with maps instead of bitfields and enums
 	for (GamefixId id = GamefixId_FIRST; id < pxEnumEnd; ++id)
 	{
-		std::string key = wxString(EnumToString(id)) + L"Hack";
-
+        std::string key = wxString(EnumToString(id)).Append(L"Hack").ToStdString();
+		
 		// Gamefixes are already guaranteed to be valid, any invalid ones are dropped
 		if (std::find(game.gameFixes.begin(), game.gameFixes.end(), key) != game.gameFixes.end())
 		{