diff --git a/features/FEATURE_BLE/ble/generic/GenericSecurityManager.h b/features/FEATURE_BLE/ble/generic/GenericSecurityManager.h
index ec9ae717b0..0164376513 100644
--- a/features/FEATURE_BLE/ble/generic/GenericSecurityManager.h
+++ b/features/FEATURE_BLE/ble/generic/GenericSecurityManager.h
@@ -354,8 +354,8 @@ private:
      * @return true if cryptography functioned worked
      */
     static bool crypto_toolbox_f4(
-        const public_key_t &U,
-        const public_key_t &V,
+        const public_key_coord_t &U,
+        const public_key_coord_t &V,
         const oob_lesc_value_t &X,
         oob_confirm_t &confirm
     );