diff --git a/Core/System.cpp b/Core/System.cpp
index 0293296426..5dbda2113a 100644
--- a/Core/System.cpp
+++ b/Core/System.cpp
@@ -363,17 +363,17 @@ CoreParameter &PSP_CoreParameter() {
 std::string GetSysDirectory(PSPDirectories directoryType) {
 	switch (directoryType) {
 	case DIRECTORY_CHEATS:
-		return g_Config.memCardDirectory + "/PSP/Cheats/";
+		return g_Config.memCardDirectory + "PSP/Cheats/";
 	case DIRECTORY_GAME:
-		return g_Config.memCardDirectory + "/PSP/GAME/";
+		return g_Config.memCardDirectory + "PSP/GAME/";
 	case DIRECTORY_SAVEDATA:
-		return g_Config.memCardDirectory + "/PSP/SAVEDATA/";
+		return g_Config.memCardDirectory + "PSP/SAVEDATA/";
 	case DIRECTORY_SCREENSHOT:
-		return g_Config.memCardDirectory + "/PSP/SCREENSHOT/";
+		return g_Config.memCardDirectory + "PSP/SCREENSHOT/";
 	case DIRECTORY_SYSTEM:
-		return g_Config.memCardDirectory + "/PSP/SYSTEM/";
+		return g_Config.memCardDirectory + "PSP/SYSTEM/";
 	case DIRECTORY_PAUTH:
-		return g_Config.memCardDirectory + "/PAUTH/";
+		return g_Config.memCardDirectory + "PAUTH/";
 	// Just return the memory stick root if we run into some sort of problem.
 	default:
 		ERROR_LOG(FILESYS, "Unknown directory type.");
diff --git a/Core/System.h b/Core/System.h
index 7bafa35a05..300c8d03c7 100644
--- a/Core/System.h
+++ b/Core/System.h
@@ -68,7 +68,9 @@ bool IsOnSeparateCPUThread();
 bool IsAudioInitialised();
 
 std::string GetSysDirectory(PSPDirectories directoryType);
+#ifdef _WIN32
 void InitSysDirectories();
+#endif
 
 // RUNNING must be at 0, NEXTFRAME must be at 1.
 enum CoreState