diff --git a/apps/engine.c b/apps/engine.c
index e5b0a56..c7256e2 100644
--- a/apps/engine.c
+++ b/apps/engine.c
@@ -33,6 +33,7 @@ ibus_eei_engine_class_init (IBusEEIEngineClass *klass)
     engine_class->page_up = ibus_eei_engine_page_up_button;
     engine_class->candidate_clicked = ibus_eei_engine_candidate_clicked;
     engine_class->reset = ibus_eei_engine_reset;
+    engine_class->focus_out = ibus_eei_engine_focus_out;
     engine_class->enable = ibus_eei_engine_enable;
 }
 
diff --git a/src/predict/lib/src/lib.rs b/src/predict/lib/src/lib.rs
index 09eb398..a925be0 100644
--- a/src/predict/lib/src/lib.rs
+++ b/src/predict/lib/src/lib.rs
@@ -442,6 +442,25 @@ pub unsafe extern "C" fn ibus_eei_engine_page_up_button(engine: *mut IBusEngine)
         }
     }
 }
+#[no_mangle]
+pub unsafe extern "C" fn ibus_eei_engine_focus_out(engine: *mut IBusEngine) {
+    match EngineCore::get(engine) {
+        Some(engine_core) => {
+            engine_core.abort_table_input();
+            match (*engine_core.parent_engine_class).focus_out {
+                Some(parent_focus_out) => {
+                    parent_focus_out(engine);
+                }
+                None => {
+                    log::error!("Could not retrieve parent function for focus out")
+                }
+            }
+        }
+        None => {
+            log::error!("Could not retrieve engine core for focus out");
+        }
+    }
+}
 
 #[no_mangle]
 pub unsafe extern "C" fn ibus_eei_engine_reset(engine: *mut IBusEngine) {