diff --git a/src/OpenGL/libEGL/Context.hpp b/src/OpenGL/libEGL/Context.hpp
index da3246c..70a47a6 100644
--- a/src/OpenGL/libEGL/Context.hpp
+++ b/src/OpenGL/libEGL/Context.hpp
@@ -35,7 +35,8 @@
 	virtual void bindTexImage(Surface *surface) = 0;
 	virtual EGLenum validateSharedImage(EGLenum target, GLuint name, GLuint textureLevel) = 0;
 	virtual Image *createSharedImage(EGLenum target, GLuint name, GLuint textureLevel) = 0;
-	virtual int getClientVersion() const = 0;
+	virtual EGLint getClientVersion() const = 0;
+	virtual EGLint getConfigID() const = 0;
 	virtual void finish() = 0;
 
 protected: