1 files changed, 4 insertions, 0 deletions
diff --git a/expac.c b/expac.c
index e769df9..7a8104b 100644
--- a/expac.c
+++ b/expac.c
@@ -463,6 +463,10 @@ static int print_pkg(pmpkg_t *pkg, const char *format) {
           putchar('%');
           out++;
           break;
+        default:
+          putchar('?');
+          out++;
+          break;
       }
       FREELIST(list);
     } else if (*f == '\\') {