diff --git a/internal/outpost/ldap/search/memory/memory.go b/internal/outpost/ldap/search/memory/memory.go
index 1b5142c92..496e40bb7 100644
--- a/internal/outpost/ldap/search/memory/memory.go
+++ b/internal/outpost/ldap/search/memory/memory.go
@@ -140,7 +140,7 @@ func (ms *MemorySearcher) Search(req *search.Request) (ldap.ServerSearchResult,
 				for _, u := range g.UsersObj {
 					if flags.UserPk == u.Pk {
 						//TODO: Is there a better way to clone this object?
-						fg := api.NewGroup(g.Pk, g.Name, g.Parent, g.ParentName, []int32{flags.UserPk}, []api.GroupMember{u})
+						fg := api.NewGroup(g.Pk, g.NumPk, g.Name, g.Parent, g.ParentName, []int32{flags.UserPk}, []api.GroupMember{u})
 						fg.SetAttributes(*g.Attributes)
 						fg.SetIsSuperuser(*g.IsSuperuser)
 						groups = append(groups, group.FromAPIGroup(*fg, ms.si))
diff --git a/internal/outpost/ldap/utils.go b/internal/outpost/ldap/utils.go
index c791aa5ea..6dbf0723b 100644
--- a/internal/outpost/ldap/utils.go
+++ b/internal/outpost/ldap/utils.go
@@ -2,9 +2,7 @@ package ldap
 
 import (
 	"fmt"
-	"math/big"
 	"strconv"
-	"strings"
 
 	"goauthentik.io/api/v3"
 )
@@ -54,20 +52,5 @@ func (pi *ProviderInstance) GetGidNumber(group api.Group) string {
 		return gidNumber
 	}
 
-	return strconv.FormatInt(int64(pi.gidStartNumber+pi.GetRIDForGroup(group.Pk)), 10)
-}
-
-func (pi *ProviderInstance) GetRIDForGroup(uid string) int32 {
-	var i big.Int
-	i.SetString(strings.Replace(uid, "-", "", -1), 16)
-	intStr := i.String()
-
-	// Get the last 5 characters/digits of the int-version of the UUID
-	gid, err := strconv.Atoi(intStr[len(intStr)-5:])
-
-	if err != nil {
-		panic(err)
-	}
-
-	return int32(gid)
+	return strconv.FormatInt(int64(pi.gidStartNumber+group.NumPk), 10)
 }