diff --git a/utils/isohybrid.c b/utils/isohybrid.c

index 7638bc0..09f4520 100644

--- a/utils/isohybrid.c

+++ b/utils/isohybrid.c

@@ -1028,7 +1028,9 @@ main(int argc, char *argv[])

 		errx(1, "%s: invalid efi catalogue", argv[0]);

 	    }

 	} else {

-	    errx(1, "%s: unable to find efi image", argv[0]);

+	    fprintf(stderr, "%s: warning: unable to find efi image\n", argv[0]);

+	    mode &= ~EFI;

+	    part_efi = 0;

 	}

     }