diff --git a/src/edit_open.c b/src/edit_open.c
index 2a93534bc..cd0418406 100644
--- a/src/edit_open.c
+++ b/src/edit_open.c
@@ -200,7 +200,7 @@ dir_is_writable(int dfd, struct sudo_cred *user_cred, struct sudo_cred *cur_cred
 
     if (rc == 0)
 	debug_return_int(true);
-    if (errno == EACCES || errno == EROFS)
+    if (errno == EACCES || errno == EPERM || errno == EROFS)
 	debug_return_int(false);
     debug_return_int(-1);