diff --git a/app/javascript/mastodon/components/admin/ReportReasonSelector.jsx b/app/javascript/mastodon/components/admin/ReportReasonSelector.jsx
index cc05e5c16..351f1c949 100644
--- a/app/javascript/mastodon/components/admin/ReportReasonSelector.jsx
+++ b/app/javascript/mastodon/components/admin/ReportReasonSelector.jsx
@@ -153,7 +153,7 @@ class ReportReasonSelector extends PureComponent {
         <Category id='other' text={intl.formatMessage(messages.other)} selected={category === 'other'} onSelect={this.handleSelect} disabled={disabled} />
         <Category id='legal' text={intl.formatMessage(messages.legal)} selected={category === 'legal'} onSelect={this.handleSelect} disabled={disabled} />
         <Category id='spam' text={intl.formatMessage(messages.spam)} selected={category === 'spam'} onSelect={this.handleSelect} disabled={disabled} />
-        <Category id='violation' text={intl.formatMessage(messages.violation)} selected={category === 'violation'} onSelect={this.handleSelect} disabled={disabled}>
+        <Category id='violation' text={intl.formatMessage(messages.violation)} selected={category === 'violation'} onSelect={this.handleSelect} disabled={disabled || rules.length === 0}>
           {rules.map(rule => <Rule key={rule.id} id={rule.id} text={rule.text} selected={rule_ids.includes(rule.id)} onToggle={this.handleToggle} disabled={disabled} />)}
         </Category>
       </div>