--- gtkmorph/callbacks_fs.c.ORIG	2021-01-15 21:24:22.220313015 -0700
+++ gtkmorph/callbacks_fs.c	2021-01-15 21:22:58.981378466 -0700
@@ -116,7 +116,7 @@
     int j=fileselection1_for_image_num_g;
     int l=strlen(title);
     gchar * N=compute_title (j) ;
-    char s[l+50];
+    char s[l+strlen(N)+1];
     sprintf(s,title,N);
     gtk_window_set_title(GTK_WINDOW (fileselection_g), s);  
     g_free(N);