diff --git a/kitty/glfw-wrapper.c b/kitty/glfw-wrapper.c
index 4db98fd90..25188c65b 100644
--- a/kitty/glfw-wrapper.c
+++ b/kitty/glfw-wrapper.c
@@ -114,6 +114,9 @@ load_glfw(const char* path) {
     *(void **) (&glfwToggleFullscreen_impl) = dlsym(handle, "glfwToggleFullscreen");
     if (glfwToggleFullscreen_impl == NULL) fail("Failed to load glfw function glfwToggleFullscreen with error: %s", dlerror());
 
+    *(void **) (&glfwIsFullscreen_impl) = dlsym(handle, "glfwIsFullscreen");
+    if (glfwIsFullscreen_impl == NULL) fail("Failed to load glfw function glfwIsFullscreen with error: %s", dlerror());
+
     *(void **) (&glfwDestroyWindow_impl) = dlsym(handle, "glfwDestroyWindow");
     if (glfwDestroyWindow_impl == NULL) fail("Failed to load glfw function glfwDestroyWindow with error: %s", dlerror());
 
diff --git a/kitty/glfw-wrapper.h b/kitty/glfw-wrapper.h
index 6f8ce2c87..16d52ad96 100644
--- a/kitty/glfw-wrapper.h
+++ b/kitty/glfw-wrapper.h
@@ -1732,6 +1732,10 @@ typedef bool (*glfwToggleFullscreen_func)(GLFWwindow*, unsigned int);
 GFW_EXTERN glfwToggleFullscreen_func glfwToggleFullscreen_impl;
 #define glfwToggleFullscreen glfwToggleFullscreen_impl
 
+typedef bool (*glfwIsFullscreen_func)(GLFWwindow*, unsigned int);
+GFW_EXTERN glfwIsFullscreen_func glfwIsFullscreen_impl;
+#define glfwIsFullscreen glfwIsFullscreen_impl
+
 typedef void (*glfwDestroyWindow_func)(GLFWwindow*);
 GFW_EXTERN glfwDestroyWindow_func glfwDestroyWindow_impl;
 #define glfwDestroyWindow glfwDestroyWindow_impl