diff --git a/web/vibe/web/internal/rest/common.d b/web/vibe/web/internal/rest/common.d
index 4cd7bd1096..15e5be5a9d 100644
--- a/web/vibe/web/internal/rest/common.d
+++ b/web/vibe/web/internal/rest/common.d
@@ -116,10 +116,7 @@ import std.traits : hasUDA;
 		import vibe.internal.meta.uda : findFirstUDA;
 
 		this.settings = settings ? settings.dup : new RestInterfaceSettings;
-		if (is_client) {
-			assert(this.settings.baseURL != URL.init,
-				"RESTful clients need to have a valid RestInterfaceSettings.baseURL set.");
-		} else if (this.settings.baseURL == URL.init) {
+		if (this.settings.baseURL == URL.init && !is_client) {
 			// use a valid dummy base URL to be able to construct sub-URLs
 			// for nested interfaces
 			this.settings.baseURL = URL("http://localhost/");
@@ -135,9 +132,14 @@ import std.traits : hasUDA;
 				this.basePath = concatURL(this.basePath, uda.value.data);
 			}
 		}
-		URL bu = this.settings.baseURL;
-		bu.pathString = this.basePath;
-		this.baseURL = bu.toString();
+
+		if (this.settings.baseURL != URL.init)
+		{
+			URL bu = this.settings.baseURL;
+			bu.pathString = this.basePath;
+			this.baseURL = bu.toString();
+		}
+		else this.baseURL = this.basePath;
 
 		computeRoutes();
 		computeSubInterfaces();
diff --git a/web/vibe/web/internal/rest/jsclient.d b/web/vibe/web/internal/rest/jsclient.d
index c2157c24da..61659f7260 100644
--- a/web/vibe/web/internal/rest/jsclient.d
+++ b/web/vibe/web/internal/rest/jsclient.d
@@ -36,6 +36,11 @@ class JSRestClientSettings
 /*package(vibe.web.web)*/ void generateInterface(TImpl, R)(ref R output, RestInterfaceSettings settings,
 		JSRestClientSettings jsgenset, bool parent)
 {
+	static void fmtParam(F)(ref F f, ref const PathPart p)
+	{
+		if (!p.isParameter) f.serializeToJson(p.text);
+		else f.formattedWrite("toRestString(%s)", p.text);
+	}
 	// TODO: handle attributed parameters and filter out internal parameters that have no path placeholder assigned to them
 
 	import std.format : formattedWrite;
@@ -97,15 +102,21 @@ class JSRestClientSettings
 		// url assembly
 		fout.put("var url = ");
 		if (route.pathHasPlaceholders) {
-			// extract the server part of the URL
 			auto burl = URL(intf.baseURL);
-			burl.pathString = "/";
-			fout.serializeToJson(burl.toString()[0 .. $-1]);
+			if (burl.host.length) {
+				// extract the server part of the URL
+				burl.pathString = "/";
+				fout.serializeToJson(burl.toString()[0 .. $-1]);
+				fout.put(" + ");
+			}
 			// and then assemble the full path piece-wise
-			foreach (p; route.fullPathParts) {
+
+			// if route.pathHasPlaceholders no need to check route.fullPathParts.length
+			// because it fills in module vibe.web.internal.rest.common at 208 line only
+			fmtParam(fout, route.fullPathParts[0]);
+			foreach (p; route.fullPathParts[1..$]) {
 				fout.put(" + ");
-				if (!p.isParameter) fout.serializeToJson(p.text);
-				else fout.formattedWrite("toRestString(%s)", p.text);
+				fmtParam(fout, p);
 			}
 		} else {
 			fout.formattedWrite(`"%s"`, concatURL(intf.baseURL, route.pattern));
diff --git a/web/vibe/web/rest.d b/web/vibe/web/rest.d
index c9bdc3254a..56a83043e0 100644
--- a/web/vibe/web/rest.d
+++ b/web/vibe/web/rest.d
@@ -470,7 +470,7 @@ HTTPServerRequestDelegate serveRestJSClient(I)(RestInterfaceSettings settings)
 	if (is(I == interface))
 {
 	import std.digest.md : md5Of;
-	import std.digest.digest : toHexString;
+	import std.digest : toHexString;
 	import std.array : appender;
 
 	auto app = appender!string();
@@ -505,6 +505,12 @@ HTTPServerRequestDelegate serveRestJSClient(I)(string base_url)
 	settings.baseURL = URL(base_url);
 	return serveRestJSClient!I(settings);
 }
+/// ditto
+HTTPServerRequestDelegate serveRestJSClient(I)()
+{
+	auto settings = new RestInterfaceSettings;
+	return serveRestJSClient!I(settings);
+}
 
 ///
 unittest {
@@ -524,6 +530,7 @@ unittest {
 		router.get("/myapi.js", serveRestJSClient!MyAPI(restsettings));
 		//router.get("/myapi.js", serveRestJSClient!MyAPI(URL("http://api.example.org/")));
 		//router.get("/myapi.js", serveRestJSClient!MyAPI("http://api.example.org/"));
+		//router.get("/myapi.js", serveRestJSClient!MyAPI()); // if want to request to self server
 		//router.get("/", staticTemplate!"index.dt");
 
 		listenHTTP(new HTTPServerSettings, router);