diff --git a/src/sunstone/sunstone-server.rb b/src/sunstone/sunstone-server.rb
index de1414a584..ccd8ff677c 100755
--- a/src/sunstone/sunstone-server.rb
+++ b/src/sunstone/sunstone-server.rb
@@ -292,8 +292,8 @@ get '/:resource/monitor' do
         nil,
         params[:resource],
         params[:monitor_resources],
-        :uid => session[:user_id],
-        :gid => session[:user_gid])
+        :uid => session[:user_id].to_i,
+        :gid => session[:user_gid].to_i)
 end
 
 get '/:resource/:id/monitor' do
@@ -301,8 +301,8 @@ get '/:resource/:id/monitor' do
         params[:id],
         params[:resource],
         params[:monitor_resources],
-        :uid => session[:user_id],
-        :gid => session[:user_gid])
+        :uid => session[:user_id].to_i,
+        :gid => session[:user_gid].to_i)
 end