diff --git a/core/server/data/importer/importers/data/base.js b/core/server/data/importer/importers/data/base.js
index bdea18af6e..8057829dd7 100644
--- a/core/server/data/importer/importers/data/base.js
+++ b/core/server/data/importer/importers/data/base.js
@@ -21,6 +21,7 @@ class Base {
 
         this.dataKeyToImport = options.dataKeyToImport;
         this.dataToImport = _.cloneDeep(allDataFromFile[this.dataKeyToImport] || []);
+        this.originalIdMap = {};
 
         this.importedDataToReturn = [];
         this.importedData = [];
@@ -53,7 +54,7 @@ class Base {
     }
 
     /**
-     * Never ever import these attributes!
+     * Strips attributes of the object
      */
     stripProperties(properties) {
         _.each(this.dataToImport, (obj) => {
@@ -86,7 +87,13 @@ class Base {
 
     generateIdentifier() {
         _.each(this.dataToImport, (obj) => {
-            obj.id = ObjectId.generate();
+            const newId = ObjectId.generate();
+
+            if (obj.id) {
+                this.originalIdMap[newId] = obj.id;
+            }
+
+            obj.id = newId;
         });
     }
 
@@ -95,7 +102,6 @@ class Base {
     }
 
     beforeImport() {
-        this.stripProperties(['id']);
         this.sanitizeValues();
         this.generateIdentifier();
         return Promise.resolve();
@@ -317,6 +323,7 @@ class Base {
                         // for identifier lookup
                         this.importedData.push({
                             id: importedModel.id,
+                            originalId: this.originalIdMap[importedModel.id],
                             slug: importedModel.get('slug'),
                             originalSlug: obj.slug,
                             email: importedModel.get('email')
diff --git a/core/server/data/importer/importers/data/posts.js b/core/server/data/importer/importers/data/posts.js
index 2ea0caeb00..e7008ed429 100644
--- a/core/server/data/importer/importers/data/posts.js
+++ b/core/server/data/importer/importers/data/posts.js
@@ -100,7 +100,11 @@ class PostsImporter extends BaseImporter {
 
                 // CASE: search through imported data.
                 // EDGE CASE: uppercase tag slug was imported and auto modified
-                let importedObject = _.find(this.requiredImportedData[tableName], {originalSlug: objectInFile.slug});
+                let importedObject = null;
+
+                if (objectInFile.id) {
+                    importedObject = _.find(this.requiredImportedData[tableName], {originalId: objectInFile.id});
+                }
 
                 if (importedObject) {
                     this.dataToImport[postIndex][targetProperty][index].id = importedObject.id;
diff --git a/core/server/data/importer/importers/data/settings.js b/core/server/data/importer/importers/data/settings.js
index 187de54ca9..b0d410c3c7 100644
--- a/core/server/data/importer/importers/data/settings.js
+++ b/core/server/data/importer/importers/data/settings.js
@@ -109,6 +109,7 @@ class SettingsImporter extends BaseImporter {
     }
 
     generateIdentifier() {
+        this.stripProperties(['id']);
         return Promise.resolve();
     }
 
diff --git a/core/server/data/importer/importers/data/tags.js b/core/server/data/importer/importers/data/tags.js
index ffd8ce6556..98314beba3 100644
--- a/core/server/data/importer/importers/data/tags.js
+++ b/core/server/data/importer/importers/data/tags.js
@@ -58,6 +58,7 @@ class TagsImporter extends BaseImporter {
                             // for identifier lookup
                             this.importedData.push({
                                 id: importedModel.id,
+                                originalId: this.originalIdMap[importedModel.id],
                                 slug: importedModel.get('slug'),
                                 originalSlug: obj.slug
                             });
diff --git a/core/server/data/importer/importers/data/trusted-domains.js b/core/server/data/importer/importers/data/trusted-domains.js
index 5cec76992c..d52d64a6d1 100644
--- a/core/server/data/importer/importers/data/trusted-domains.js
+++ b/core/server/data/importer/importers/data/trusted-domains.js
@@ -75,6 +75,7 @@ class TrustedDomainsImporter extends BaseImporter {
     }
 
     generateIdentifier() {
+        this.stripProperties(['id']);
         return Promise.resolve();
     }
 
diff --git a/core/test/regression/importer/importer_spec.js b/core/test/regression/importer/importer_spec.js
index 6f0393133a..9d69806a01 100644
--- a/core/test/regression/importer/importer_spec.js
+++ b/core/test/regression/importer/importer_spec.js
@@ -809,6 +809,55 @@ describe('Integration: Importer', function () {
                 });
         });
 
+        it('can handle related tags with missing optional fields', function () {
+            const exportData = exportedLatestBody().db[0];
+
+            exportData.data.posts[0] = testUtils.DataGenerator.forKnex.createPost();
+
+            // NOTE: not including slug, description etc. fields as the only required field
+            // to handle the import of tags is 'name'
+            exportData.data.tags[0] = {
+                id: ObjectId.generate(),
+                name: 'first tag'
+            };
+            exportData.data.tags[1] = {
+                id: ObjectId.generate(),
+                name: 'second tag'
+            };
+            exportData.data.tags[2] = {
+                id: ObjectId.generate(),
+                name: 'third tag'
+            };
+
+            exportData.data.posts_tags = [
+                testUtils.DataGenerator.forKnex.createPostsTags(exportData.data.posts[0].id, exportData.data.tags[0].id),
+                testUtils.DataGenerator.forKnex.createPostsTags(exportData.data.posts[0].id, exportData.data.tags[1].id),
+                testUtils.DataGenerator.forKnex.createPostsTags(exportData.data.posts[0].id, exportData.data.tags[2].id)
+            ];
+
+            return dataImporter.doImport(exportData, importOptions)
+                .then(function (imported) {
+                    imported.problems.length.should.eql(0);
+
+                    return Promise.all([
+                        models.Tag.findPage(Object.assign({order: 'slug ASC'}, testUtils.context.internal)),
+                        models.Post.findPage(Object.assign({withRelated: ['tags']}, testUtils.context.internal))
+                    ]);
+                }).then(function (result) {
+                    const tags = result[0].data.map(model => model.toJSON());
+                    const posts = result[1].data.map(model => model.toJSON());
+
+                    posts.length.should.eql(1);
+                    tags.length.should.eql(3);
+
+                    posts[0].tags.length.should.eql(3);
+                    tags[0].name.should.eql('first tag');
+                    tags[0].slug.should.eql('first-tag');
+                    tags[1].name.should.eql('second tag');
+                    tags[2].name.should.eql('third tag');
+                });
+        });
+
         it('can handle uppercase tags', function () {
             const exportData = exportedLatestBody().db[0];