diff --git a/modules/context/repo.go b/modules/context/repo.go
index 1742683d3cf1d..1a0263a3307a1 100644
--- a/modules/context/repo.go
+++ b/modules/context/repo.go
@@ -451,11 +451,20 @@ func RepoAssignment(ctx *Context) (cancel context.CancelFunc) {
 		owner, err = user_model.GetUserByName(ctx, userName)
 		if err != nil {
 			if user_model.IsErrUserNotExist(err) {
+				// go-get does not support redirects
+				// https://github.com/golang/go/issues/19760
 				if ctx.FormString("go-get") == "1" {
 					EarlyResponseForGoGetMeta(ctx)
 					return
 				}
-				ctx.NotFound("GetUserByName", nil)
+
+				if redirectUserID, err := user_model.LookupUserRedirect(userName); err == nil {
+					RedirectToUser(ctx, userName, redirectUserID)
+				} else if user_model.IsErrUserRedirectNotExist(err) {
+					ctx.NotFound("GetUserByName", nil)
+				} else {
+					ctx.ServerError("LookupUserRedirect", err)
+				}
 			} else {
 				ctx.ServerError("GetUserByName", err)
 			}