diff --git a/upf/upf_pfcp.c b/upf/upf_pfcp.c
index 36ff3ea..bed5f4b 100644
--- a/upf/upf_pfcp.c
+++ b/upf/upf_pfcp.c
@@ -434,7 +434,7 @@ pfcp_release_association (upf_node_assoc_t * n)
 
   ASSERT (n->sessions == ~0);
 
-  upf_pfcp_server_deferred_free_msgs_by_node(node_id);
+  upf_pfcp_server_deferred_free_msgs_by_node (node_id);
 
   vlib_decrement_simple_counter (&gtm->upf_simple_counters[UPF_ASSOC_COUNTER],
 				 vlib_get_thread_index (), 0, 1);