diff --git a/srcts/src/shiny/index.ts b/srcts/src/shiny/index.ts
index 80922e3f5..a24e55079 100644
--- a/srcts/src/shiny/index.ts
+++ b/srcts/src/shiny/index.ts
@@ -478,7 +478,7 @@ class ShinyClass {
         if (id) outputIds.add(id);
         ensureObservers(el);
 
-        doTriggerResize(el);
+        if (!initial) doTriggerResize(el);
         doSendHiddenState(el, initial);
         if (reportsSize(el)) {
           doSendSize(el, initial);