diff --git a/apps/external/extapp_api.h b/apps/external/extapp_api.h
index 9a98e5526..af90b68e2 100644
--- a/apps/external/extapp_api.h
+++ b/apps/external/extapp_api.h
@@ -27,7 +27,7 @@
 #define SCANCODE_OK ((uint64_t)1 << 4)
 #define SCANCODE_Back ((uint64_t)1 << 5)
 #define SCANCODE_Home ((uint64_t)1 << 6)
-#define SCANCODE_OnOff (((uint64_t)1 << 7) || ((uint64_t)1 << 8))
+#define SCANCODE_OnOff (((uint64_t)1 << 7) | ((uint64_t)1 << 8))
 #define SCANCODE_Shift ((uint64_t)1 << 12)
 #define SCANCODE_Alpha ((uint64_t)1 << 13)
 #define SCANCODE_XNT ((uint64_t)1 << 14)