diff --git a/packages/components/nodes/moderation/SimplePromptModeration/SimplePromptModerationRunner.ts b/packages/components/nodes/moderation/SimplePromptModeration/SimplePromptModerationRunner.ts
index 94967ba2..08f9ed1e 100644
--- a/packages/components/nodes/moderation/SimplePromptModeration/SimplePromptModerationRunner.ts
+++ b/packages/components/nodes/moderation/SimplePromptModeration/SimplePromptModerationRunner.ts
@@ -14,7 +14,7 @@ export class SimplePromptModerationRunner implements Moderation {
 
     async checkForViolations(input: string): Promise<string> {
         this.denyList.split('\n').forEach((denyListItem) => {
-            if (denyListItem && denyListItem !== '' && input.includes(denyListItem)) {
+            if (denyListItem && denyListItem !== '' && input.toLowerCase().includes(denyListItem.toLowerCase())) {
                 throw Error(this.moderationErrorMessage)
             }
         })