1 files changed, 4 insertions, 0 deletions
diff --git a/src/corelib/global/qlogging.cpp b/src/corelib/global/qlogging.cpp
index 0506d372b6..6b90a47388 100644
--- a/src/corelib/global/qlogging.cpp
+++ b/src/corelib/global/qlogging.cpp
@@ -1042,6 +1042,10 @@ void QMessagePattern::setPattern(const QString &pattern)
         delete [] literals;
     }
     delete [] tokens;
+    timeArgs.clear();
+#ifdef QLOGGING_HAVE_BACKTRACE
+    backtraceArgs.clear();
+#endif
 
     // scanner
     QList<QString> lexemes;