diff --git a/src/platform_impl/macos/view.rs b/src/platform_impl/macos/view.rs
index b8e9c373e0..07b1c531c6 100644
--- a/src/platform_impl/macos/view.rs
+++ b/src/platform_impl/macos/view.rs
@@ -719,7 +719,7 @@ extern "C" fn key_down(this: &Object, _sel: Sel, event: id) {
                     virtual_keycode,
                     modifiers: event_mods(event),
                 },
-                is_synthetic: false,
+                is_synthetic: state.is_ime_activated,
             },
         };
 
@@ -772,7 +772,7 @@ extern "C" fn key_up(this: &Object, _sel: Sel, event: id) {
                     virtual_keycode,
                     modifiers: event_mods(event),
                 },
-                is_synthetic: false,
+                is_synthetic: state.is_ime_activated,
             },
         };
 
@@ -891,7 +891,7 @@ extern "C" fn cancel_operation(this: &Object, _sel: Sel, _sender: id) {
                     virtual_keycode,
                     modifiers: event_mods(event),
                 },
-                is_synthetic: false,
+                is_synthetic: state.is_ime_activated,
             },
         };