diff --git a/plugins/GSdx/GSDeviceOGL.cpp b/plugins/GSdx/GSDeviceOGL.cpp
index 207b33e435..91fa170c69 100644
--- a/plugins/GSdx/GSDeviceOGL.cpp
+++ b/plugins/GSdx/GSDeviceOGL.cpp
@@ -197,7 +197,7 @@ bool GSDeviceOGL::Create(GSWnd* wnd)
 	// Debug helper
 	// ****************************************************************
 #ifdef ENABLE_OGL_DEBUG
-	if (theApp.GetConfig("debug_opengl", 0)) {
+	if (theApp.GetConfig("debug_opengl", 0) && gl_DebugMessageCallback) {
 		gl_DebugMessageCallback((GLDEBUGPROC)DebugOutputToFile, NULL);
 		glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
 	}
diff --git a/plugins/GSdx/GSWnd.cpp b/plugins/GSdx/GSWnd.cpp
index 5223fd3e27..f4f58f2d8e 100644
--- a/plugins/GSdx/GSWnd.cpp
+++ b/plugins/GSdx/GSWnd.cpp
@@ -58,7 +58,7 @@ void GSWndGL::PopulateGlFunction()
 	*(void**)&(gl_GenVertexArrays) = GetProcAddress("glGenVertexArrays");
 	*(void**)&(gl_GetBufferParameteriv) = GetProcAddress("glGetBufferParameteriv");
 	*(void**)&(gl_GetDebugMessageLogARB) = GetProcAddress("glGetDebugMessageLogARB");
-	*(void**)&(gl_DebugMessageCallback) = GetProcAddress("glDebugMessageCallback");
+	*(void**)&(gl_DebugMessageCallback) = GetProcAddress("glDebugMessageCallback", true);
 	*(void**)&(gl_GetProgramInfoLog) = GetProcAddress("glGetProgramInfoLog");
 	*(void**)&(gl_GetProgramiv) = GetProcAddress("glGetProgramiv");
 	*(void**)&(gl_GetShaderiv) = GetProcAddress("glGetShaderiv");