diff --git a/frontend/src/composables/useFightPolling.ts b/frontend/src/composables/useFightPolling.ts
index 49934d0..6fd1076 100644
--- a/frontend/src/composables/useFightPolling.ts
+++ b/frontend/src/composables/useFightPolling.ts
@@ -102,6 +102,8 @@ export function useFightPolling(fightId: Ref<string>) {
     onHumanChallenge?: (data: any) => void
     onReaction?: (data: any) => void
   }) {
+    // Close any existing SSE connection before opening a new one
+    disconnectSSE()
     eventSource = new EventSource(`/api/fights/${fightId.value}/stream`)
 
     addSSEListener(eventSource, 'spectator_count', (e) => {