diff --git a/sources/MVCFramework.RESTClient.pas b/sources/MVCFramework.RESTClient.pas
index f7f65de74..25e398ea9 100644
--- a/sources/MVCFramework.RESTClient.pas
+++ b/sources/MVCFramework.RESTClient.pas
@@ -699,7 +699,7 @@ function TMVCRESTClient.AddPathParam(const aName: string; aValue: Integer): IMVC
 
 function TMVCRESTClient.AddQueryStringParam(const aName: string; aValue: Double): IMVCRESTClient;
 begin
-  Result := AddPathParam(aName, aValue.ToString);
+  Result := AddQueryStringParam(aName, aValue.ToString);
 end;
 
 function TMVCRESTClient.AddQueryStringParam(const aName: string; aValue: TTime): IMVCRESTClient;