diff --git a/README.md b/README.md
index 7457f99e..39e82e56 100644
--- a/README.md
+++ b/README.md
@@ -99,6 +99,8 @@ information on what to include when reporting a bug.
 
 ## Changelog
 
+- Bugfix: Calling `glfwMaximizeWindow` on a full screen window was not ignored
+
 
 ## Contact
 
diff --git a/src/window.c b/src/window.c
index 3fdd1975..fe741dc6 100644
--- a/src/window.c
+++ b/src/window.c
@@ -631,6 +631,10 @@ GLFWAPI void glfwMaximizeWindow(GLFWwindow* handle)
     assert(window != NULL);
 
     _GLFW_REQUIRE_INIT();
+
+    if (window->monitor)
+        return;
+
     _glfwPlatformMaximizeWindow(window);
 }