diff --git a/include/GL/glfw3.h b/include/GL/glfw3.h
index c4a6ea4..cc1f01b 100644
--- a/include/GL/glfw3.h
+++ b/include/GL/glfw3.h
@@ -417,6 +417,7 @@
 GLFWAPI void glfwOpenWindowHint(int target, int hint);
 GLFWAPI void glfwMakeWindowCurrent(GLFWwindow window);
 GLFWAPI int  glfwIsWindow(GLFWwindow window);
+GLFWAPI GLFWwindow glfwGetCurrentWindow(void);
 GLFWAPI void glfwCloseWindow(GLFWwindow window);
 GLFWAPI void glfwSetWindowTitle(GLFWwindow, const char* title);
 GLFWAPI void glfwGetWindowSize(GLFWwindow, int* width, int* height);