diff --git a/frontend/src/store/useSimulatorStore.ts b/frontend/src/store/useSimulatorStore.ts
index 14dae764..67c07c34 100644
--- a/frontend/src/store/useSimulatorStore.ts
+++ b/frontend/src/store/useSimulatorStore.ts
@@ -1149,7 +1149,7 @@ export const useSimulatorStore = create<SimulatorState>((set, get) => {
               );
               return { boards, serialBaudRate: baud };
             }),
-          getOscilloscopeCallback(),
+          getOscilloscopeCallback(boardId),
         );
         simulatorMap.set(boardId, sim);
 
@@ -1229,7 +1229,7 @@ export const useSimulatorStore = create<SimulatorState>((set, get) => {
               );
               return { boards, serialBaudRate: baud };
             }),
-          getOscilloscopeCallback(),
+          getOscilloscopeCallback(boardId),
         );
         simulatorMap.set(boardId, sim);
         set({ simulator: sim, serialOutput: '', serialBaudRate: 0 });