diff --git a/fluxer_desktop/src/main/Spellcheck.ts b/fluxer_desktop/src/main/Spellcheck.ts
index 01473a7..262272a 100644
--- a/fluxer_desktop/src/main/Spellcheck.ts
+++ b/fluxer_desktop/src/main/Spellcheck.ts
@@ -133,6 +133,7 @@ const dictionaryDataPromises = new Map<string, Promise<SpellcheckDictionaryData
 
 let factoryPromise: Promise<HunspellFactory> | null = null;
 let ipcRegistered = false;
+let invokeHandlersRegistered = false;
 let launchModeLogged = false;
 
 const contextSourceByWebContents = new WeakMap<
@@ -1060,7 +1061,8 @@ export const registerSpellcheck = (webContents: WebContents): void => {
 		return state;
 	};
 	void applyAndBroadcast(false);
-	if (!ipcMain.eventNames().includes('spellcheck-get-state')) {
+	if (!invokeHandlersRegistered) {
+		invokeHandlersRegistered = true;
 		ipcMain.handle('spellcheck-get-state', (event) => {
 			const targetSession = event.sender.session;
 			const next = applyLaunchSpellcheckMode(sessionState.get(targetSession) ?? {...defaultState});