diff --git a/reactos/dll/win32/samsrv/samsrv.c b/reactos/dll/win32/samsrv/samsrv.c
index 0d17100b097..6feb7be269f 100644
--- a/reactos/dll/win32/samsrv/samsrv.c
+++ b/reactos/dll/win32/samsrv/samsrv.c
@@ -179,6 +179,23 @@ SamIFree_SAMPR_GET_GROUPS_BUFFER(PSAMPR_GET_GROUPS_BUFFER Ptr)
 }
 
 
+VOID
+NTAPI
+SamIFree_SAMPR_GET_MEMBERS_BUFFER(PSAMPR_GET_MEMBERS_BUFFER Ptr)
+{
+    if (Ptr != NULL)
+    {
+        if (Ptr->Members != NULL)
+            MIDL_user_free(Ptr->Members);
+
+        if (Ptr->Attributes != NULL)
+            MIDL_user_free(Ptr->Attributes);
+
+        MIDL_user_free(Ptr);
+    }
+}
+
+
 VOID
 NTAPI
 SamIFree_SAMPR_PSID_ARRAY(PSAMPR_PSID_ARRAY Ptr)
diff --git a/reactos/dll/win32/samsrv/samsrv.spec b/reactos/dll/win32/samsrv/samsrv.spec
index 39f86ef5da7..8276433c3dd 100644
--- a/reactos/dll/win32/samsrv/samsrv.spec
+++ b/reactos/dll/win32/samsrv/samsrv.spec
@@ -22,7 +22,7 @@
 @ stub SamIFree_SAMPR_DOMAIN_INFO_BUFFER
 @ stdcall SamIFree_SAMPR_ENUMERATION_BUFFER(ptr)
 @ stdcall SamIFree_SAMPR_GET_GROUPS_BUFFER(ptr)
-@ stub SamIFree_SAMPR_GET_MEMBERS_BUFFER
+@ stdcall SamIFree_SAMPR_GET_MEMBERS_BUFFER(ptr)
 @ stub SamIFree_SAMPR_GROUP_INFO_BUFFER
 @ stdcall SamIFree_SAMPR_PSID_ARRAY(ptr)
 @ stdcall SamIFree_SAMPR_RETURNED_USTRING_ARRAY(ptr)