diff --git a/src/external/MusrRoot/TMusrRunHeader.cpp b/src/external/MusrRoot/TMusrRunHeader.cpp
index df2dd865f..c7c653033 100644
--- a/src/external/MusrRoot/TMusrRunHeader.cpp
+++ b/src/external/MusrRoot/TMusrRunHeader.cpp
@@ -964,7 +964,7 @@ Bool_t TMusrRunHeader::ExtractAll(TDirectory *dir)
   TObjString *entry;
 
   // clean up all internal structures - just in case this is called multiple times
-  if (dir->GetName() == "RunHeader") {
+  if (!strcmp(dir->GetName(), "RunHeader")) {
     CleanUp();
   }