diff --git a/release-packaging/Classes/FluidServerObject.sc b/release-packaging/Classes/FluidServerObject.sc
index 6cc9458..bbb342e 100644
--- a/release-packaging/Classes/FluidServerObject.sc
+++ b/release-packaging/Classes/FluidServerObject.sc
@@ -229,7 +229,7 @@ FluidDataObject : FluidServerObject
     }
 
     *cachedInstanceAt{|server,id|
-        this.initCache;
+        this.initCache(server);
         ^serverCaches[this].at(server,id);
     }