diff --git a/src/lib/Twitch2Ma.ts b/src/lib/Twitch2Ma.ts
index 39388c7..3c73c7c 100644
--- a/src/lib/Twitch2Ma.ts
+++ b/src/lib/Twitch2Ma.ts
@@ -117,7 +117,7 @@ export default class Twitch2Ma extends EventEmitter {
 
     async handleMessage(channel: string, user: string, message: string, rawMessage: TwitchPrivateMessage) {
 
-        let raw = message.match(/!([a-zA-Z0-9]+)( !?([a-zA-Z0-9]+))?/);
+        let raw = message.match(/!([a-zA-Z0-9-]+)( !?([a-zA-Z0-9-]+))?/);
         if (_.isArray(raw)) {
 
             let chatCommand = raw[1];
diff --git a/src/resources/config.schema.json b/src/resources/config.schema.json
index 6c9b3c6..87431b6 100644
--- a/src/resources/config.schema.json
+++ b/src/resources/config.schema.json
@@ -72,7 +72,7 @@
           "chatCommand": {
             "description": "The command viewers need to use in chat without '!'. The command 'lights' is reserved for viewer help. ",
             "type": "string",
-            "pattern": "^((?!\\b[lL][iI][gG][hH][tT][sS]\\b)[a-zA-Z0-9])+$"
+            "pattern": "^((?!\\b[lL][iI][gG][hH][tT][sS]\\b)[a-zA-Z0-9-])+$"
           },
           "consoleCommand": {
             "description": "The command that gets executed on the desk.",
@@ -95,7 +95,7 @@
                 "parameter": {
                   "description": "The parameter to append to the command.",
                   "type": "string",
-                  "pattern": "^[a-zA-Z0-9]+$"
+                  "pattern": "^[a-zA-Z0-9-]+$"
                 },
                 "consoleCommand": {
                   "description": "The command that gets executed on the desk when using the parameter.",