diff --git a/src/wgl_context.c b/src/wgl_context.c
index 03732dd3..1f0ac8a1 100644
--- a/src/wgl_context.c
+++ b/src/wgl_context.c
@@ -383,6 +383,8 @@ static void loadWGLExtensions(void)
 
     if (!wglMakeCurrent(dc, rc))
     {
+        wglDeleteContext(rc);
+
         _glfwInputError(GLFW_PLATFORM_ERROR,
                         "WGL: Failed to make context current for WGL extension loading");
         return;