diff --git a/src/mount/fedfs-map-nfs4.c b/src/mount/fedfs-map-nfs4.c
index 8376b6b..38d930d 100644
--- a/src/mount/fedfs-map-nfs4.c
+++ b/src/mount/fedfs-map-nfs4.c
@@ -70,7 +70,7 @@
  */
 #define FEDFS_NFS4_EXPORTPATH_RW	"/.domainroot-write"
 
-char *progname;
+static char *progname;
 
 /**
  * Display usage message