diff --git a/src/platform.h b/src/platform.h
index c68e987d..9f8e3e00 100644
--- a/src/platform.h
+++ b/src/platform.h
@@ -183,4 +183,4 @@
 #define GLFW_PLATFORM_USER_CONTEXT_STATE \
         GLFW_WGL_USER_CONTEXT_STATE \
         GLFW_NSGL_USER_CONTEXT_STATE \
-        GLFW_GLX_USER_CONTEXT_STATE
\ No newline at end of file
+        GLFW_GLX_USER_CONTEXT_STATE
diff --git a/src/x11_platform.h b/src/x11_platform.h
index eaa11ada..95eeed05 100644
--- a/src/x11_platform.h
+++ b/src/x11_platform.h
@@ -470,6 +470,7 @@ typedef struct _GLFWcontextGLX
 {
     GLXContext      handle;
     GLXWindow       window;
+    GLXFBConfig     fbconfig;
 } _GLFWcontextGLX;
 
 // GLX-specific global data
@@ -1009,4 +1010,4 @@ GLFWbool _glfwChooseVisualGLX(const _GLFWwndconfig* wndconfig,
                               Visual** visual, int* depth);
 
 _GLFWusercontext* _glfwCreateUserContextX11(_GLFWwindow* window);
-_GLFWusercontext* _glfwCreateUserContextWGL(_GLFWwindow* window);
+_GLFWusercontext* _glfwCreateUserContextGLX(_GLFWwindow* window);