diff --git a/Src/Graphics/Shader.h b/Src/Graphics/Shader.h
index fd7f4ca..ea52711 100644
--- a/Src/Graphics/Shader.h
+++ b/Src/Graphics/Shader.h
@@ -53,8 +53,8 @@
  *		OKAY is successfully loaded, otherwise FAIL. Prints own error messages.
  */
 extern bool LoadShaderProgram(GLuint *shaderProgramPtr, GLuint *vertexShaderPtr, 
-							  GLuint *fragmentShaderPtr, std::string vsFile, 
-							  std::string fsFile, const char *vsString,
+							  GLuint *fragmentShaderPtr, const std::string& vsFile, 
+							  const std::string& fsFile, const char *vsString,
 							  const char *fsString);
 
 /*
diff --git a/Src/Network/INetBoard.h b/Src/Network/INetBoard.h
index cba9e3b..2a3a1fa 100644
--- a/Src/Network/INetBoard.h
+++ b/Src/Network/INetBoard.h
@@ -41,7 +41,7 @@ public:
 
 	virtual bool Init(UINT8* netRAMPtr, UINT8* netBufferPtr) = 0;
 
-	virtual void GetGame(Game) = 0;
+	virtual void GetGame(const Game&) = 0;
 
 	virtual UINT8 ReadCommRAM8(unsigned addr) = 0;
 	virtual UINT16 ReadCommRAM16(unsigned addr) = 0;