diff --git a/routers/api/v1/activitypub/reqsignature.go b/routers/api/v1/activitypub/reqsignature.go
index 460368552..b870d1c0f 100644
--- a/routers/api/v1/activitypub/reqsignature.go
+++ b/routers/api/v1/activitypub/reqsignature.go
@@ -94,7 +94,7 @@ func verifyHTTPSignatures(ctx *gitea_context.APIContext) (authenticated bool, er
 func ReqHTTPSignature() func(ctx *gitea_context.APIContext) {
 	return func(ctx *gitea_context.APIContext) {
 		if authenticated, err := verifyHTTPSignatures(ctx); err != nil {
-			ctx.Error(http.StatusInternalServerError, "verifyHttpSignatures", err)
+			ctx.ServerError("verifyHttpSignatures", err)
 		} else if !authenticated {
 			ctx.Error(http.StatusForbidden, "reqSignature", "request signature verification failed")
 		}