diff --git a/ghost/admin/app/components/modal-import-members.js b/ghost/admin/app/components/modal-import-members.js
index 7ff509968e..55c6db0f44 100644
--- a/ghost/admin/app/components/modal-import-members.js
+++ b/ghost/admin/app/components/modal-import-members.js
@@ -15,24 +15,13 @@ import {inject as service} from '@ember/service';
 import {tracked} from '@glimmer/tracking';
 
 class MembersFieldMapping {
-    _supportedImportFields = [
-        'email',
-        'name',
-        'note',
-        'subscribed_to_emails',
-        'stripe_customer_id',
-        'complimentary_plan',
-        'labels',
-        'created_at'
-    ];
-
     @tracked _mapping = {};
 
     constructor(mapping) {
-        // NOTE: there are only 2 distinguishable fields that could be automatically matched, which is the reason why code is just simple assignments
         if (mapping) {
-            this.set(mapping.email, 'email');
-            this.set(mapping.stripe_customer_id, 'stripe_customer_id');
+            for (const [key, value] of Object.entries(mapping)) {
+                this.set(value, key);
+            }
         }
     }
 
diff --git a/ghost/admin/app/services/member-import-validator.js b/ghost/admin/app/services/member-import-validator.js
index 14b90d9ec6..987b6b1f83 100644
--- a/ghost/admin/app/services/member-import-validator.js
+++ b/ghost/admin/app/services/member-import-validator.js
@@ -126,7 +126,7 @@ export default Service.extend({
     },
 
     /**
-     * Detects validated data types:
+     * Detects supported data types and auto-detects following two needed for validation:
      *  1. email
      *  2. stripe_customer_id
      *
@@ -135,6 +135,22 @@ export default Service.extend({
      * @param {Array} data sampled data containing non empty values
      */
     _detectDataTypes(data) {
+        const supportedTypes = [
+            'email',
+            'name',
+            'note',
+            'subscribed_to_emails',
+            'stripe_customer_id',
+            'complimentary_plan',
+            'labels',
+            'created_at'
+        ];
+
+        const autoDetectedTypes = [
+            'email',
+            'stripe_customer_id'
+        ];
+
         let mapping = {};
         let i = 0;
         // loopping through all sampled data until needed data types are detected
@@ -154,6 +170,10 @@ export default Service.extend({
                     mapping.stripe_customer_id = key;
                     continue;
                 }
+
+                if (!mapping[key] && supportedTypes.includes(key) && !(autoDetectedTypes.includes(key))) {
+                    mapping[key] = key;
+                }
             }
 
             i += 1;