diff --git a/README.md b/README.md
index b424e49c..80567293 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ Join the IRC: [irc.fatpeople.lol](ircs://irc.fatpeople.lol:6697/general)
 - [x] Multi-select moderation actions
 - [x] Webring +proxy support (compatible with [lynxchan](https://gitlab.com/alogware/LynxChanAddon-Webring) & [infinity](https://gitlab.com/Tenicu/infinityaddon-webring) versions)
 - [x] Manage everything from the web panel
-- [x] Detailed accounts perimssions system
+- [x] Detailed accounts permissions system
 - [x] Works properly with anonymizer networks
 
 ## License
diff --git a/gulp/res/js/forms.js b/gulp/res/js/forms.js
index df7c0fe2..6820bfaf 100644
--- a/gulp/res/js/forms.js
+++ b/gulp/res/js/forms.js
@@ -146,7 +146,7 @@ class postFormHandler {
 	}
 
 	updateFlagField() {
-		if (this.customFlagInput) {
+		if (this.customFlagInput && this.customFlagInput.options.selectedIndex !== -1) {
 			this.selectedFlagImage.src = this.customFlagInput.options[this.customFlagInput.options.selectedIndex].dataset.src || '';
 		}
 	}
diff --git a/migrations/0.4.0.js b/migrations/0.4.0.js
index d4feea94..648f26b0 100644
--- a/migrations/0.4.0.js
+++ b/migrations/0.4.0.js
@@ -199,4 +199,6 @@ module.exports = async(db, redis) => {
 	await redis.deletePattern('board:*');
 	console.log('Deleting all sessions from redis (logs all users out)');
 	await redis.deletePattern('sess:*');
+	console.log('Deleting users cache');
+	await redis.deletePattern('users:*');
 };