diff --git a/backend/src/resolvers/comments.js b/backend/src/resolvers/comments.js
index 97b99f4ab..b2dc0fbcf 100644
--- a/backend/src/resolvers/comments.js
+++ b/backend/src/resolvers/comments.js
@@ -44,6 +44,16 @@ export default {
         commentId: comment.id
       }
       )
+
+      await session.run(`
+          MATCH (comment:Comment {id: $commentId}), (author:User {id: $userId})
+          MERGE (comment)<-[:WROTE]-(author)
+          RETURN comment {.id, .content}`, {
+        commentId: comment.id,
+        userId: context.user.id
+      }
+      )
+
       session.close()
 
       return comment
diff --git a/backend/src/resolvers/comments.spec.js b/backend/src/resolvers/comments.spec.js
index 34a18d807..e572e206b 100644
--- a/backend/src/resolvers/comments.spec.js
+++ b/backend/src/resolvers/comments.spec.js
@@ -19,12 +19,12 @@ afterEach(async () => {
 
 describe('CreateComment', () => {
   const mutation = `
-    mutation($postId: ID, $content: String!) {
-      CreateComment(postId: $postId, content: $content) {
-        id
-        content
-      }
+  mutation($postId: ID, $content: String!) {
+    CreateComment(postId: $postId, content: $content) {
+      id
+      content
     }
+  }
   `
   describe('unauthenticated', () => {
     it('throws authorization error', async () => {
@@ -58,6 +58,24 @@ describe('CreateComment', () => {
       await expect(client.request(mutation, variables)).resolves.toMatchObject(expected)
     })
 
+    it('assigns the authenticated user as author', async () => {
+      variables = {
+        postId: 'p1',
+        content: 'I\'m authorised to comment'
+      }
+      await client.request(mutation, variables)
+
+      const { User } = await client.request(`{
+          User(email: "test@example.org") {
+            comments {
+              content
+            }
+          }
+        }`)
+
+      expect(User).toEqual([ { comments: [ { content: 'I\'m authorised to comment' } ] } ])
+    })
+
     it('throw an error if an empty string is sent as content', async () => {
       variables = {
         postId: 'p1',
diff --git a/backend/src/seed/seed-db.js b/backend/src/seed/seed-db.js
index f17c20315..8694a7948 100644
--- a/backend/src/seed/seed-db.js
+++ b/backend/src/seed/seed-db.js
@@ -189,33 +189,18 @@ import Factory from './factories'
     ])
 
     await Promise.all([
-      f.create('Comment', { id: 'c1', postId: 'p1' }),
-      f.create('Comment', { id: 'c2', postId: 'p1' }),
-      f.create('Comment', { id: 'c3', postId: 'p3' }),
-      f.create('Comment', { id: 'c4', postId: 'p2' }),
-      f.create('Comment', { id: 'c5', postId: 'p3' }),
-      f.create('Comment', { id: 'c6', postId: 'p4' }),
-      f.create('Comment', { id: 'c7', postId: 'p2' }),
-      f.create('Comment', { id: 'c8', postId: 'p15' }),
-      f.create('Comment', { id: 'c9', postId: 'p15' }),
-      f.create('Comment', { id: 'c10', postId: 'p15' }),
-      f.create('Comment', { id: 'c11', postId: 'p15' }),
-      f.create('Comment', { id: 'c12', postId: 'p15' })
-    ])
-
-    await Promise.all([
-      f.relate('Comment', 'Author', { from: 'u3', to: 'c1' }),
-      f.relate('Comment', 'Author', { from: 'u1', to: 'c2' }),
-      f.relate('Comment', 'Author', { from: 'u1', to: 'c3' }),
-      f.relate('Comment', 'Author', { from: 'u4', to: 'c4' }),
-      f.relate('Comment', 'Author', { from: 'u4', to: 'c5' }),
-      f.relate('Comment', 'Author', { from: 'u3', to: 'c6' }),
-      f.relate('Comment', 'Author', { from: 'u2', to: 'c7' }),
-      f.relate('Comment', 'Author', { from: 'u5', to: 'c8' }),
-      f.relate('Comment', 'Author', { from: 'u6', to: 'c9' }),
-      f.relate('Comment', 'Author', { from: 'u7', to: 'c10' }),
-      f.relate('Comment', 'Author', { from: 'u5', to: 'c11' }),
-      f.relate('Comment', 'Author', { from: 'u6', to: 'c12' })
+      asUser.create('Comment', { id: 'c1', postId: 'p1' }),
+      asTick.create('Comment', { id: 'c2', postId: 'p1' }),
+      asTrack.create('Comment', { id: 'c3', postId: 'p3' }),
+      asTrick.create('Comment', { id: 'c4', postId: 'p2' }),
+      asModerator.create('Comment', { id: 'c5', postId: 'p3' }),
+      asAdmin.create('Comment', { id: 'c6', postId: 'p4' }),
+      asUser.create('Comment', { id: 'c7', postId: 'p2' }),
+      asTick.create('Comment', { id: 'c8', postId: 'p15' }),
+      asTrick.create('Comment', { id: 'c9', postId: 'p15' }),
+      asTrack.create('Comment', { id: 'c10', postId: 'p15' }),
+      asUser.create('Comment', { id: 'c11', postId: 'p15' }),
+      asUser.create('Comment', { id: 'c12', postId: 'p15' })
     ])
 
     const disableMutation = 'mutation($id: ID!) { disable(id: $id) }'