diff --git a/Source/Core/VideoCommon/TextureConversionShader.cpp b/Source/Core/VideoCommon/TextureConversionShader.cpp
diff --git a/Source/Core/VideoCommon/TextureConversionShader.h b/Source/Core/VideoCommon/TextureConversionShader.h
@@ -20,7 +20,7 @@ namespace TextureConversionShaderTiled
 {
 u16 GetEncodedSampleCount(EFBCopyFormat format);
 
-const char* GenerateEncodingShader(const EFBCopyParams& params, APIType ApiType);
+std::string GenerateEncodingShader(const EFBCopyParams& params, APIType api_type);
 
 // Information required to compile and dispatch a texture decoding shader.
 struct DecodingShaderInfo