diff --git a/src/cocoa_monitor.m b/src/cocoa_monitor.m
index 3dabf5845..432df1fda 100644
--- a/src/cocoa_monitor.m
+++ b/src/cocoa_monitor.m
@@ -362,6 +362,20 @@ void _glfwPlatformGetMonitorPos(_GLFWmonitor* monitor, int* xpos, int* ypos)
 
 void _glfwPlatformGetMonitorWorkarea(_GLFWmonitor* monitor, int* xpos, int* ypos, int *width, int *height)
 {
+    NSScreen *resultScreen;
+    for (NSScreen *screen in [NSScreen screens]) {
+        if ([[[screen deviceDescription] valueForKey:@"NSScreenNumber"] intValue] == monitor->ns.displayID) {
+            resultScreen = screen;
+            break;
+        }
+    }
+
+    NSRect frameRect = [[NSScreen resultScreen] visibleFrame];
+
+    *xpos = NSMinX(frameRect)
+    *ypos = NSMinY(frameRect)
+    *width = NSMaxX(frameRect)
+    *height = NSMaxY(frameRect)
 }
 
 GLFWvidmode* _glfwPlatformGetVideoModes(_GLFWmonitor* monitor, int* count)