diff --git a/ui/drivers/ui_cocoa.m b/ui/drivers/ui_cocoa.m
index 34dcf91a8f..0a15ffc634 100644
--- a/ui/drivers/ui_cocoa.m
+++ b/ui/drivers/ui_cocoa.m
@@ -462,7 +462,7 @@ static void *ui_companion_cocoa_init(void)
    return handle;
 }
 
-static void ui_companion_cocoa_event_command(void *data, unsigned cmd)
+static void ui_companion_cocoa_event_command(void *data, enum event_command cmd)
 {
    ui_companion_cocoa_t *handle = (ui_companion_cocoa_t*)data;
 
diff --git a/ui/drivers/ui_cocoatouch.m b/ui/drivers/ui_cocoatouch.m
index f5a27d0e4c..877f26ece0 100644
--- a/ui/drivers/ui_cocoatouch.m
+++ b/ui/drivers/ui_cocoatouch.m
@@ -540,7 +540,8 @@ static void *ui_companion_cocoatouch_init(void)
    return handle;
 }
 
-static void ui_companion_cocoatouch_event_command(void *data, unsigned cmd)
+static void ui_companion_cocoatouch_event_command(void *data,
+    enum event_command cmd)
 {
    ui_companion_cocoatouch_t *handle = (ui_companion_cocoatouch_t*)data;
 
diff --git a/ui/drivers/ui_qt.c b/ui/drivers/ui_qt.c
index e376fd27e6..e127b940a4 100644
--- a/ui/drivers/ui_qt.c
+++ b/ui/drivers/ui_qt.c
@@ -102,7 +102,7 @@ static void ui_companion_qt_toggle(void *data)
    ui_companion_qt_init();
 }
 
-static void ui_companion_qt_event_command(void *data, unsigned cmd)
+static void ui_companion_qt_event_command(void *data, enum event_command cmd)
 {
    ui_companion_qt_t *handle = (ui_companion_qt_t*)data;