diff --git a/src/core/dhcp/nm-dhcp-client.c b/src/core/dhcp/nm-dhcp-client.c
index ec910389f4..85e48ff70b 100644
--- a/src/core/dhcp/nm-dhcp-client.c
+++ b/src/core/dhcp/nm-dhcp-client.c
@@ -1209,6 +1209,7 @@ dispose(GObject *object)
 
     nm_clear_g_source_inst(&priv->no_lease_timeout_source);
     nm_clear_g_source_inst(&priv->ipv6_lladdr_timeout_source);
+    nm_clear_pointer(&priv->effective_client_id, g_bytes_unref);
 
     G_OBJECT_CLASS(nm_dhcp_client_parent_class)->dispose(object);
 }