diff --git a/k4FWCore/components/UniqueIDGenSvc.h b/k4FWCore/components/UniqueIDGenSvc.h
index 795bf414..e3976fd5 100644
--- a/k4FWCore/components/UniqueIDGenSvc.h
+++ b/k4FWCore/components/UniqueIDGenSvc.h
@@ -36,12 +36,12 @@
 class UniqueIDGenSvc : public extends<Service, IUniqueIDGenSvc> {
 public:
   UniqueIDGenSvc(const std::string& name, ISvcLocator* svcLoc);
-  size_t     getUniqueID(uint32_t evt_num, uint32_t run_num, const std::string& name) const override;
+  size_t getUniqueID(uint32_t evt_num, uint32_t run_num, const std::string& name) const override;
 
 private:
-  Gaudi::Property<uint64_t> m_seed{this, "Seed", {123456789}};
+  Gaudi::Property<uint64_t>                         m_seed{this, "Seed", {123456789}};
   mutable std::unordered_set<size_t, std::identity> m_uniqueIDs;
-  mutable std::mutex m_mutex;
+  mutable std::mutex                                m_mutex;
 };
 
 #endif