diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0298b84c..7d0d4d50 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@
 * Fix #75: New short video urls makes it difficult to use the settings «Activate chat for these videos».
 * Fix moderation notes: fix filter button wrongly displayed on notes without associated occupant.
 * Fix tasks: checkbox state does not change when clicked.
+* Fix: bot timer can't be negative or null.
 
 ## 12.0.4
 
diff --git a/client/common/configuration/elements/templates/channel-configuration.ts b/client/common/configuration/elements/templates/channel-configuration.ts
index 293af21d..35fe1ae4 100644
--- a/client/common/configuration/elements/templates/channel-configuration.ts
+++ b/client/common/configuration/elements/templates/channel-configuration.ts
@@ -97,7 +97,8 @@ export function tplChannelConfiguration (el: ChannelConfigurationElement): Templ
       },
       delay: {
         inputType: 'number',
-        default: 10
+        default: 10,
+        min: 1
       }
     },
     commands: {