diff --git a/sci-log-db/src/__tests__/acceptance/basesnippet.controller.acceptance.ts b/sci-log-db/src/__tests__/acceptance/basesnippet.controller.acceptance.ts
index fd1bbf92..12eaf633 100644
--- a/sci-log-db/src/__tests__/acceptance/basesnippet.controller.acceptance.ts
+++ b/sci-log-db/src/__tests__/acceptance/basesnippet.controller.acceptance.ts
@@ -461,11 +461,16 @@ describe('Basesnippet', function (this: Suite) {
       .expect(200)
       .then(
         result => (
-          expect(result.body).to.containEql(_.omit(baseSnippet, 'ownerGroup')),
+          expect(result.body).to.containEql(
+            _.omit(baseSnippet, ['ownerGroup', 'updateACL']),
+          ),
           expect(result.body.snippetType).to.be.eql('base'),
           expect(result.body.readACL).to.be.eql(['basesnippetAcceptance']),
           expect(result.body.createACL).to.be.eql(['basesnippetAcceptance']),
-          expect(result.body.updateACL).to.be.eql(['basesnippetAcceptance']),
+          expect(result.body.updateACL).to.be.eql([
+            'basesnippetAcceptance',
+            'test@loopback.io',
+          ]),
           expect(result.body.deleteACL).to.be.eql(['basesnippetAcceptance']),
           expect(result.body.shareACL).to.be.eql(['basesnippetAcceptance']),
           expect(result.body.adminACL).to.be.eql(['admin'])
diff --git a/sci-log-db/src/mixins/basesnippet.repository-mixin.ts b/sci-log-db/src/mixins/basesnippet.repository-mixin.ts
index 06bbd417..c3f087d1 100644
--- a/sci-log-db/src/mixins/basesnippet.repository-mixin.ts
+++ b/sci-log-db/src/mixins/basesnippet.repository-mixin.ts
@@ -146,7 +146,7 @@ function UpdateAndDeleteRepositoryMixin<
           acl => basesnippet[acl as keyof typeof basesnippet],
         )
       )
-        await self['aclDefaultOnCreation'](merge);
+        await self['aclDefaultOnCreation'](merge, false);
       return this.getChanged(merge, snippet);
     }
 
diff --git a/sci-log-db/src/repositories/autoadd.repository.base.ts b/sci-log-db/src/repositories/autoadd.repository.base.ts
index d1365786..90bf917a 100644
--- a/sci-log-db/src/repositories/autoadd.repository.base.ts
+++ b/sci-log-db/src/repositories/autoadd.repository.base.ts
@@ -85,6 +85,7 @@ export class AutoAddRepository<
       ownerGroup?: string;
       accessGroups?: string[];
     },
+    isNewInstance = true,
   ) {
     const emptyAcls = this.acls.filter(acl => !data[acl as keyof Basesnippet]);
     if (emptyAcls) {
@@ -108,7 +109,13 @@ export class AutoAddRepository<
         await this.addToACLIfNotEmpty(
           emptyAcls,
           data,
-          _.partial(this.defaultAllButLocationLogbookACL.bind(this), parent),
+          _.partial(
+            this.defaultAllButLocationLogbookACL.bind(this),
+            parent,
+            _,
+            _,
+            isNewInstance,
+          ),
         );
     }
     delete data.ownerGroup;
@@ -173,12 +180,18 @@ export class AutoAddRepository<
   private defaultAllButLocationLogbookACL(
     parent: Basesnippet,
     aclType: string,
-    data: {accessGroups?: string[]},
+    data: {
+      accessGroups?: string[];
+      createdBy?: string[];
+    },
+    isNewInstance = true,
   ) {
     if (aclType === 'shareACL')
       return arrayOfUniqueFrom(parent.shareACL, parent.readACL);
     if (aclType === 'readACL')
       return arrayOfUniqueFrom(parent.readACL, data.accessGroups);
+    if (aclType === 'updateACL' && isNewInstance)
+      return arrayOfUniqueFrom(parent.updateACL, data.createdBy);
     return parent[aclType as keyof Basesnippet];
   }