diff --git a/common/tool/tool_manager.cpp b/common/tool/tool_manager.cpp
index 7d1c072530..deaa33df55 100644
--- a/common/tool/tool_manager.cpp
+++ b/common/tool/tool_manager.cpp
@@ -285,7 +285,7 @@ bool TOOL_MANAGER::InvokeTool( const std::string& aToolName )
 }
 
 
-bool TOOL_MANAGER::doRunAction( const std::string& aActionName, bool aNow, std::any aParam,
+bool TOOL_MANAGER::doRunAction( const std::string& aActionName, bool aNow, const std::any& aParam,
                                 COMMIT* aCommit )
 {
     TOOL_ACTION* action = m_actionMgr->FindAction( aActionName );
@@ -320,7 +320,7 @@ VECTOR2D TOOL_MANAGER::GetCursorPosition() const
 }
 
 
-bool TOOL_MANAGER::doRunAction( const TOOL_ACTION& aAction, bool aNow, std::any aParam,
+bool TOOL_MANAGER::doRunAction( const TOOL_ACTION& aAction, bool aNow, const std::any& aParam,
                                 COMMIT* aCommit )
 {
     if( m_shuttingDown )
diff --git a/include/tool/tool_manager.h b/include/tool/tool_manager.h
index 98e7908796..961d52272f 100644
--- a/include/tool/tool_manager.h
+++ b/include/tool/tool_manager.h
@@ -545,8 +545,8 @@ private:
     /**
      * Helper function to actually run an action.
      */
-    bool doRunAction( const TOOL_ACTION& aAction, bool aNow, std::any aParam, COMMIT* aCommit );
-    bool doRunAction( const std::string& aActionName, bool aNow, std::any aParam, COMMIT* aCommit );
+    bool doRunAction( const TOOL_ACTION& aAction, bool aNow, const std::any& aParam, COMMIT* aCommit );
+    bool doRunAction( const std::string& aActionName, bool aNow, const std::any& aParam, COMMIT* aCommit );
 
     /**
      * Pass an event at first to the active tools, then to all others.