diff --git a/StringMatch.h b/StringMatch.h
index dd775811..f27a3cfa 100644
--- a/StringMatch.h
+++ b/StringMatch.h
@@ -1,6 +1,9 @@
 #pragma once
 #ifdef HAVE_PCRE2
 #include <string>
+#if TNTVERSION >= 30000
+  #include <cxxtools/log.h>  // must be loaded before any vdr include because of duplicate macros (LOG_ERROR, LOG_DEBUG, LOG_INFO)
+#endif
 #include <vdr/channels.h>
 #include "stringhelpers.h"