1 files changed, 1 insertions, 1 deletions
diff --git a/src/base64.c b/src/base64.c
index 15888fa83..1e43ff186 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -289,7 +289,7 @@ main (int argc, char **argv)
         break;
 
       case 'w':
-        wrap_column = xnumtoumax (optarg, 0, 0, UINTMAX_MAX, "",
+        wrap_column = xdectoumax (optarg, 0, UINTMAX_MAX, "",
                                   _("invalid wrap size"), 0);
         break;