diff --git a/hdrl/src/org/labkey/hdrl/HDRLModule.java b/hdrl/src/org/labkey/hdrl/HDRLModule.java
index 97f97c2d..d7dfa0dd 100644
--- a/hdrl/src/org/labkey/hdrl/HDRLModule.java
+++ b/hdrl/src/org/labkey/hdrl/HDRLModule.java
@@ -72,6 +72,12 @@ protected void init()
         addController(HDRLController.NAME,  HDRLController.class);
     }
 
+    @Override
+    public boolean isAvailable(Container container)
+    {
+        return container.getActiveModules().contains(this);
+    }
+
     @Override
     public void doStartup(ModuleContext moduleContext)
     {