diff --git a/src/vcm.c b/src/vcm.c
index 08f8319..7c1a42b 100644
--- a/src/vcm.c
+++ b/src/vcm.c
@@ -922,7 +922,13 @@ static void intersection_check(VCM_t* vcm, mc_neighbour_s* neighbour) {
 }
 
 static int vcm_check_handle_commit(VCM_t* vcm, mc_neighbour_s* neighbour) {
-    coordination_t* coo = &facilities.coordination; 
+    coordination_t* coordination = &facilities.coordination; 
+    
+    if (vcm->vcm.maneuverContainer.choice.vehicle.negotiation->choice.commit.nonce != coordination->session.nonce) {
+        return 1;
+    }
+
+    session_cleanup();
 
     return 0;
 }