diff --git a/packages/nocodb/src/models/BaseUser.ts b/packages/nocodb/src/models/BaseUser.ts
index c4c5ca2465..b6e9998b8e 100644
--- a/packages/nocodb/src/models/BaseUser.ts
+++ b/packages/nocodb/src/models/BaseUser.ts
@@ -133,7 +133,7 @@ export default class BaseUser {
     baseId: string,
     userId: string,
     ncMeta = Noco.ncMeta,
-  ) {
+  ): Promise<BaseUser & { is_mapped?: boolean }> {
     let baseUser =
       baseId &&
       userId &&
@@ -178,32 +178,14 @@ export default class BaseUser {
         );
       }
     }
-    return this.castType(baseUser);
-  }
 
-  /**
-   * Check if user entry exists in BaseUser table
-   * @param context
-   * @param baseId
-   * @param userId
-   * @param ncMeta
-   */
-  public static async getBaseUserFromDb(
-    context: NcContext,
-    baseId: string,
-    userId: string,
-    ncMeta = Noco.ncMeta,
-  ): Promise<BaseUser> {
-    const baseUser = await ncMeta.metaGet2(
-      context.workspace_id,
-      context.base_id,
-      MetaTable.PROJECT_USERS,
-      {
-        base_id: baseId,
-        fk_user_id: userId,
-      },
-    )
-    return baseUser && this.castType(baseUser);
+    // decide if user is mapped to base by checking if base_id is present
+    // base_id will be null if base_user entry is not present
+    if (baseUser) {
+      baseUser.is_mapped = !!baseUser.base_id;
+    }
+
+    return this.castType(baseUser);
   }
 
   public static async getUsersList(
diff --git a/packages/nocodb/src/services/base-users/base-users.service.ts b/packages/nocodb/src/services/base-users/base-users.service.ts
index 93c6dd94f4..cfece00ceb 100644
--- a/packages/nocodb/src/services/base-users/base-users.service.ts
+++ b/packages/nocodb/src/services/base-users/base-users.service.ts
@@ -105,11 +105,7 @@ export class BaseUsersService {
 
       if (user) {
         // check if this user has been added to this base
-        const baseUser = await BaseUser.getBaseUserFromDb(
-          context,
-          param.baseId,
-          user.id,
-        );
+        const baseUser = await BaseUser.get(context, param.baseId, user.id);
 
         const base = await Base.get(context, param.baseId);
 
@@ -118,13 +114,13 @@ export class BaseUsersService {
         }
 
         // if already exists and has a role then throw error
-        if (baseUser?.roles) {
+        if (baseUser?.is_mapped && baseUser?.roles) {
           NcError.badRequest(
             `${user.email} with role ${baseUser.roles} already exists in this base`,
           );
         }
         // if user exist and role is not assigned then assign role by updating base user
-        else if (baseUser) {
+        else if (baseUser?.is_mapped) {
           await BaseUser.updateRoles(
             context,
             param.baseId,
@@ -476,11 +472,7 @@ export class BaseUsersService {
     if (Object.keys(baseUserData).length) {
       // create new base user if it doesn't exist
       if (
-        !(await BaseUser.getBaseUserFromDb(
-          context,
-          param.baseId,
-          param.user?.id,
-        ))
+        !(await BaseUser.get(context, param.baseId, param.user?.id))?.is_mapped
       ) {
         await BaseUser.insert(context, {
           ...baseUserData,