diff --git a/src/models/actions/create/CreateRunnerGroup.ts b/src/models/actions/create/CreateRunnerGroup.ts
index 0b62024..aadea29 100644
--- a/src/models/actions/create/CreateRunnerGroup.ts
+++ b/src/models/actions/create/CreateRunnerGroup.ts
@@ -1,6 +1,6 @@
 import { IsInt, IsNotEmpty, IsOptional, IsString } from 'class-validator';
 import { getConnectionManager } from 'typeorm';
-import { GroupContactNotFoundError, GroupContactWrongTypeError } from '../../../errors/GroupContactErrors';
+import { GroupContactNotFoundError } from '../../../errors/GroupContactErrors';
 import { GroupContact } from '../../entities/GroupContact';
 
 /**
@@ -15,7 +15,7 @@ export abstract class CreateRunnerGroup {
     name: string;
 
     /**
-     * The new group's contact.
+     * The new group's contact's id.
      * Optional
      */
     @IsInt()
@@ -26,15 +26,10 @@ export abstract class CreateRunnerGroup {
      * Gets the new group's contact by it's id.
      */
     public async getContact(): Promise<GroupContact> {
-        if (this.contact === undefined || this.contact === null) {
-            return null;
-        }
-        if (!isNaN(this.contact)) {
-            let contact = await getConnectionManager().get().getRepository(GroupContact).findOne({ id: this.contact });
-            if (!contact) { throw new GroupContactNotFoundError; }
-            return contact;
-        }
+        if (!this.contact) { return null; }
+        let contact = await getConnectionManager().get().getRepository(GroupContact).findOne({ id: this.contact });
+        if (!contact) { throw new GroupContactNotFoundError; }
+        return contact;
 
-        throw new GroupContactWrongTypeError;
     }
 }
\ No newline at end of file