diff --git a/src/client.js b/src/client.js
index ce63190..dadd73a 100644
--- a/src/client.js
+++ b/src/client.js
@@ -47,6 +47,7 @@ module.exports = class Client extends FrameworkClient {
 				locales[name] = YAML.parse(data);
 			});
 
+		this.keyv = new Keyv();
 		/** @type {I18n} */
 		this.i18n = new I18n('en-GB', locales);
 		/** @type {TicketManager} */
@@ -54,6 +55,22 @@ module.exports = class Client extends FrameworkClient {
 		this.config = config;
 		this.log = log;
 		this.supers = (process.env.SUPER ?? '').split(',');
+		/** @param {import('discord.js/typings').Interaction} interaction */
+		this.commands.interceptor = async interaction => {
+			if (!interaction.inGuild()) return;
+			const id = interaction.guildId;
+			const cacheKey = `cache/known/guild:${id}`;
+			if (await this.keyv.has(cacheKey)) return;
+			await this.prisma.guild.upsert({
+				create: {
+					id,
+					locale: this.i18n.locales.find(locale => locale === interaction.guild.preferredLocale), // undefined if not supported
+				},
+				update: {},
+				where: { id },
+			});
+			await this.keyv.set(cacheKey, true);
+		};
 	}
 
 	async login(token) {
@@ -91,7 +108,6 @@ module.exports = class Client extends FrameworkClient {
 			}, ms('6h'));
 		}
 
-		this.keyv = new Keyv();
 		return super.login(token);
 	}
 
diff --git a/src/i18n/en-GB.yml b/src/i18n/en-GB.yml
index e3db6b5..378e959 100644
--- a/src/i18n/en-GB.yml
+++ b/src/i18n/en-GB.yml
@@ -365,7 +365,9 @@ misc:
       this category.
     title: ❌ Insufficient roles
   no_categories:
-    description: No ticket categories have been configured.
+    description: |-
+      No ticket categories have been configured.
+      Configure your server at {url}.
     title: ❌ There are no ticket categories
   not_ticket:
     description: You can only use this command in tickets.
diff --git a/src/lib/tickets/utils.js b/src/lib/tickets/utils.js
index 4949e05..21a74e8 100644
--- a/src/lib/tickets/utils.js
+++ b/src/lib/tickets/utils.js
@@ -33,7 +33,7 @@ module.exports = {
 					new EmbedBuilder()
 						.setColor(settings.errorColour)
 						.setTitle(getMessage('misc.no_categories.title'))
-						.setDescription(getMessage('misc.no_categories.description')),
+						.setDescription(getMessage('misc.no_categories.description', { url: `${process.env.HTTP_EXTERNAL}/settings/${interaction.guildId}` })),
 				],
 				ephemeral: true,
 			});
@@ -73,4 +73,4 @@ module.exports = {
 			});
 		}
 	},
-};
\ No newline at end of file
+};
diff --git a/src/listeners/client/messageCreate.js b/src/listeners/client/messageCreate.js
index 96a31d0..189cc2f 100644
--- a/src/listeners/client/messageCreate.js
+++ b/src/listeners/client/messageCreate.js
@@ -38,7 +38,7 @@ module.exports = class extends Listener {
 					new EmbedBuilder()
 						.setColor(settings.errorColour)
 						.setTitle(getMessage('misc.no_categories.title'))
-						.setDescription(getMessage('misc.no_categories.description')),
+						.setDescription(getMessage('misc.no_categories.description', { url: `${process.env.HTTP_EXTERNAL}/settings/${interaction.guildId}` })),
 				],
 			});
 		} else if (settings.categories.length === 1) {