diff --git a/targets/f7/ble_glue/services/gatt_char.c b/targets/f7/ble_glue/services/gatt_char.c
index c06403f55..f6e27f53e 100644
--- a/targets/f7/ble_glue/services/gatt_char.c
+++ b/targets/f7/ble_glue/services/gatt_char.c
@@ -62,7 +62,7 @@ void flipper_gatt_characteristic_init(
             char_data_descriptor->security_permissions,
             char_data_descriptor->access_permissions,
             char_data_descriptor->gatt_evt_mask,
-            MIN_ENCRY_KEY_SIZE,
+            GATT_MIN_READ_KEY_SIZE,
             char_data_descriptor->is_variable,
             &char_instance->descriptor_handle);
         if(status) {