diff --git a/src/gui_mac.c b/src/gui_mac.c
index 0acc3db..420f16c 100644
--- a/src/gui_mac.c
+++ b/src/gui_mac.c
@@ -1066,6 +1066,11 @@
 	    else
 		alist_add(&global_alist, p, 2);
 	}
+
+	/* Change directory to the location of the first file. */
+	if (GARGCOUNT > 0 && vim_chdirfile(alist_name(&GARGLIST[0])) == OK)
+	    shorten_fnames(TRUE);
+
 	goto finished;
     }