diff --git a/ui/cocoa.m b/ui/cocoa.m
index 6a59f87316..f27beb30e6 100644
--- a/ui/cocoa.m
+++ b/ui/cocoa.m
@@ -270,7 +270,7 @@ const int mac_to_qkeycode_map[] = {
 static int cocoa_keycode_to_qemu(int keycode)
 {
     if (ARRAY_SIZE(mac_to_qkeycode_map) <= keycode) {
-        fprintf(stderr, "(cocoa) warning unknown keycode 0x%x\n", keycode);
+        error_report("(cocoa) warning unknown keycode 0x%x", keycode);
         return 0;
     }
     return mac_to_qkeycode_map[keycode];
@@ -1060,7 +1060,7 @@ QemuCocoaView *cocoaView;
         // create a view and add it to the window
         cocoaView = [[QemuCocoaView alloc] initWithFrame:NSMakeRect(0.0, 0.0, 640.0, 480.0)];
         if(!cocoaView) {
-            fprintf(stderr, "(cocoa) can't create a view\n");
+            error_report("(cocoa) can't create a view");
             exit(1);
         }
 
@@ -1069,7 +1069,7 @@ QemuCocoaView *cocoaView;
             styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskClosable
             backing:NSBackingStoreBuffered defer:NO];
         if(!normalWindow) {
-            fprintf(stderr, "(cocoa) can't create window\n");
+            error_report("(cocoa) can't create window");
             exit(1);
         }
         [normalWindow setAcceptsMouseMovedEvents:YES];