Index: gnupg-2.4.0/g10/keygen.c
===================================================================
--- gnupg-2.4.0.orig/g10/keygen.c
+++ gnupg-2.4.0/g10/keygen.c
@@ -2461,7 +2461,7 @@ get_keysize_range (int algo, unsigned in
 
     default:
       *min = opt.compliance == CO_DE_VS ? 2048: 1024;
-      *max = 4096;
+      *max = opt.flags.large_rsa == 1 ? 8192 : 4096;
       def = 3072;
       break;
     }