diff --git a/src/cocoa_monitor.m b/src/cocoa_monitor.m
index 2bb83738..d0112d26 100644
--- a/src/cocoa_monitor.m
+++ b/src/cocoa_monitor.m
@@ -527,7 +527,7 @@ GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count)
         }
 
         // Skip duplicate modes
-        if (i < *count)
+        if (j < *count)
             continue;
 
         (*count)++;