diff --git a/src/components/ble/MusicService.cpp b/src/components/ble/MusicService.cpp
index 5dfea503..4d7e950f 100644
--- a/src/components/ble/MusicService.cpp
+++ b/src/components/ble/MusicService.cpp
@@ -47,10 +47,9 @@ namespace {
   constexpr ble_uuid128_t msRepeatCharUuid {CharUuid(0x0b, 0x00)};
   constexpr ble_uuid128_t msShuffleCharUuid {CharUuid(0x0c, 0x00)};
 
-}
-
-int MusicCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt, void* arg) {
-  return static_cast<Pinetime::Controllers::MusicService*>(arg)->OnCommand(conn_handle, attr_handle, ctxt);
+  int MusicCallback(uint16_t conn_handle, uint16_t attr_handle, struct ble_gatt_access_ctxt* ctxt, void* arg) {
+    return static_cast<Pinetime::Controllers::MusicService*>(arg)->OnCommand(conn_handle, attr_handle, ctxt);
+  }
 }
 
 Pinetime::Controllers::MusicService::MusicService(Pinetime::System::SystemTask& system) : m_system(system) {