diff --git a/samples/breakout/src/main.c b/samples/breakout/src/main.c
index 4c31de3..86d54b0 100644
--- a/samples/breakout/src/main.c
+++ b/samples/breakout/src/main.c
@@ -125,7 +125,7 @@ ORCA_EXPORT void oc_on_resize(u32 width, u32 height)
     frameSize.y = height;
 }
 
-ORCA_EXPORT void oc_on_key_down(int key)
+ORCA_EXPORT void oc_on_key_down(oc_scan_code scan, oc_key_code key)
 {
     oc_log_info("key down: %i", key);
     if(key == OC_KEY_LEFT)
@@ -138,7 +138,7 @@ ORCA_EXPORT void oc_on_key_down(int key)
     }
 }
 
-ORCA_EXPORT void oc_on_key_up(int key)
+ORCA_EXPORT void oc_on_key_up(oc_scan_code scan, oc_key_code key)
 {
     oc_log_info("key up: %i", key);
     if(key == OC_KEY_LEFT)
diff --git a/src/runtime.c b/src/runtime.c
index f084129..d04e1f4 100644
--- a/src/runtime.c
+++ b/src/runtime.c
@@ -661,8 +661,8 @@ i32 orca_runloop(void* user)
 
                         if(exports[OC_EXPORT_KEY_DOWN])
                         {
-                            const void* args[1] = { &event->key.scanCode };
-                            M3Result res = m3_Call(exports[OC_EXPORT_KEY_DOWN], 1, args);
+                            const void* args[2] = { &event->key.scanCode, &event->key.keyCode };
+                            M3Result res = m3_Call(exports[OC_EXPORT_KEY_DOWN], 2, args);
                             if(res)
                             {
                                 ORCA_WASM3_ABORT(app->env.m3Runtime, res, "Runtime error");
@@ -673,8 +673,8 @@ i32 orca_runloop(void* user)
                     {
                         if(exports[OC_EXPORT_KEY_UP])
                         {
-                            const void* args[1] = { &event->key.scanCode };
-                            M3Result res = m3_Call(exports[OC_EXPORT_KEY_UP], 1, args);
+                            const void* args[2] = { &event->key.scanCode, &event->key.keyCode };
+                            M3Result res = m3_Call(exports[OC_EXPORT_KEY_UP], 2, args);
                             if(res)
                             {
                                 ORCA_WASM3_ABORT(app->env.m3Runtime, res, "Runtime error");
diff --git a/src/runtime.h b/src/runtime.h
index 510365a..b5513d0 100644
--- a/src/runtime.h
+++ b/src/runtime.h
@@ -22,8 +22,8 @@
     X(OC_EXPORT_MOUSE_LEAVE, "oc_on_mouse_leave", "", "")     \
     X(OC_EXPORT_MOUSE_MOVE, "oc_on_mouse_move", "", "ffff")   \
     X(OC_EXPORT_MOUSE_WHEEL, "oc_on_mouse_wheel", "", "ff")   \
-    X(OC_EXPORT_KEY_DOWN, "oc_on_key_down", "", "i")          \
-    X(OC_EXPORT_KEY_UP, "oc_on_key_up", "", "i")              \
+    X(OC_EXPORT_KEY_DOWN, "oc_on_key_down", "", "ii")         \
+    X(OC_EXPORT_KEY_UP, "oc_on_key_up", "", "ii")             \
     X(OC_EXPORT_FRAME_REFRESH, "oc_on_frame_refresh", "", "") \
     X(OC_EXPORT_FRAME_RESIZE, "oc_on_resize", "", "ii")       \
     X(OC_EXPORT_RAW_EVENT, "oc_on_raw_event", "", "i")        \