diff --git a/lib/session.ts b/lib/session.ts
index bfa8313..7dbc8b8 100644
--- a/lib/session.ts
+++ b/lib/session.ts
@@ -2290,7 +2290,7 @@ function processDeclarations(
                     syncState.refreshAttributes.object.add(currentPath);
                   else if (currentAttributes.object[1] === 0)
                     syncState.refreshAttributes.value.add(currentPath);
-                } else {
+                } else if (attrName in syncState.refreshAttributes) {
                   syncState.refreshAttributes[attrName].add(currentPath);
                 }
               }