diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 75d8e15..a4b9e9a 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -69,7 +69,7 @@ model Comment {
   id      Int    @id @default(autoincrement())
   content String
 
-  author   User   @relation(fields: [authorId], references: [id])
+  author   User   @relation(fields: [authorId], references: [id], onDelete: Cascade)
   authorId String
 
   trackVersion   TrackVersion @relation(fields: [trackVersionId], references: [id], onDelete: Cascade)