diff --git a/tool/mlconfig/mc_font.c b/tool/mlconfig/mc_font.c
index 9833a0e0..512e41e2 100644
--- a/tool/mlconfig/mc_font.c
+++ b/tool/mlconfig/mc_font.c
@@ -337,7 +337,7 @@ static void specify_width(GtkWidget *widget, int flag) {
     int percent;
     size_t len;
 
-    if (!(cp = strrchr(fontname, ':')) || (percent = atoi(p + 1)) == 0) {
+    if (!(cp = strrchr(fontname, ':')) || (percent = atoi(cp + 1)) == 0) {
       if (flag == 0) {
         return;
       }