diff --git a/list.c b/list.c
index f7359c3..4c3d703 100644
--- a/list.c
+++ b/list.c
@@ -97,7 +97,7 @@ int list_files(__G)    /* return PK-type error code */
 {
     int do_this_file=FALSE, cfactor, error, error_in_archive=PK_COOL;
 #ifndef WINDLL
-    char sgn, cfactorstr[10];
+    char sgn, cfactorstr[13];
     int longhdr=(uO.vflag>1);
 #endif
     int date_format;