diff --git a/glfw/nsgl_context.m b/glfw/nsgl_context.m
index 2eadf9812..66dcdc6e7 100644
--- a/glfw/nsgl_context.m
+++ b/glfw/nsgl_context.m
@@ -271,7 +271,7 @@ bool _glfwCreateContextNSGL(_GLFWwindow* window,
         return false;
     }
 
-    NSOpenGLContext* share = NULL;
+    NSOpenGLContext* share = nil;
 
     if (ctxconfig->share)
         share = ctxconfig->share->context.nsgl.object;
@@ -325,7 +325,7 @@ GLFWAPI id glfwGetNSGLContext(GLFWwindow* handle)
     if (window->context.client == GLFW_NO_API)
     {
         _glfwInputError(GLFW_NO_WINDOW_CONTEXT, NULL);
-        return NULL;
+        return nil;
     }
 
     return window->context.nsgl.object;