1 files changed, 1 insertions, 1 deletions
diff --git a/drivers.c b/drivers.c
index 70b4e383..8dea8ecd 100644
--- a/drivers.c
+++ b/drivers.c
@@ -219,7 +219,7 @@ static struct gps_type_t tripmate = {
  *
  **************************************************************************/
 
-extern struct gps_type_t zodiac_binary, earthmate;
+static struct gps_type_t zodiac_binary, earthmate;
 
 /*
  * There is a good HOWTO at <http://www.hamhud.net/ka9mva/earthmate.htm>.