diff --git a/src/lib/components/chat/Chat.svelte b/src/lib/components/chat/Chat.svelte
index 5b96f82c2f..a3feb6a269 100644
--- a/src/lib/components/chat/Chat.svelte
+++ b/src/lib/components/chat/Chat.svelte
@@ -1232,8 +1232,13 @@
 			desktopEvent.set(null);
 
 			if (event.type === 'call') {
-				showCallOverlay.set(true);
-				showControls.set(true);
+				// Defer to next macrotask so the call overlay isn't clobbered by
+				// showControlsSubscribe's initial callback (value=false → set(false))
+				// which runs as a pending microtask after this function.
+				setTimeout(() => {
+					showCallOverlay.set(true);
+					showControls.set(true);
+				}, 0);
 			} else if (event.type === 'query') {
 				const query = event.data?.query;
 				const eventFiles = event.data?.files;