diff --git a/garmin.h b/garmin.h
index 4d503226c..55f65a5ff 100644
--- a/garmin.h
+++ b/garmin.h
@@ -112,7 +112,7 @@ class GarminFormat : public Format
 
   /* Data Members */
 
-  const char* portname{};
+  QString portname;
   MakeShort* mkshort_handle{};
   GPS_PWay* tx_waylist{};
   GPS_PWay* tx_routelist{};