diff --git a/src/common/RewindManager.cxx b/src/common/RewindManager.cxx
index cd5638c54..c1030e5b3 100644
--- a/src/common/RewindManager.cxx
+++ b/src/common/RewindManager.cxx
@@ -40,6 +40,7 @@ void RewindManager::setup()
   myLastTimeMachineAdd = false;
 
   const string& prefix = myOSystem.settings().getBool("dev.settings") ? "dev." : "plr.";
+  const uInt32 maxBufSize = MAX_BUF_SIZE;
 
   // Work around a bug in XCode 11.2 with -O0 and -O1
   const uInt32 maxBufSize = MAX_BUF_SIZE;