diff --git a/src/vcm.c b/src/vcm.c
index ab68e17..35fd03e 100644
--- a/src/vcm.c
+++ b/src/vcm.c
@@ -396,7 +396,7 @@ static int intersection_detected(VCM_t* vcm, mc_neighbour_s* neighbour) {
     mvc->negotiation->choice.request.desiredTrajectories.list.array[0] = calloc(1,sizeof(ProposedTrajectory_t));
     ProposedTrajectory_t* pt = mvc->negotiation->choice.request.desiredTrajectories.list.array[0];
     mvc->negotiation->choice.request.requesterId = vcm->header.stationID;
-    mvc->negotiation->choice.request.nonce = rand() + 1;
+    mvc->negotiation->choice.request.nonce = rand();
     neighbour->nonce = mvc->negotiation->choice.request.nonce;
 
     pt->trajectory.list.count = trajectoryA_len - 1;
@@ -411,7 +411,7 @@ static int intersection_detected(VCM_t* vcm, mc_neighbour_s* neighbour) {
 
     pt->offer = 5;
     pt->priority = 1;
-    pt->id = 0;
+    pt->id = rand();
 
     uint32_t intneigh[MC_MAX_NEIGHBOURS];
     intneigh[0] = neighbour->station_id;
diff --git a/src/vcm.h b/src/vcm.h
index aaf4a62..f801f6c 100644
--- a/src/vcm.h
+++ b/src/vcm.h
@@ -21,7 +21,7 @@ typedef struct {
     uint64_t t_iid; /* initial intersection detection */
 
     bool proposed;
-    uint64_t nonce;
+    uint32_t nonce;
     uint64_t t_proposal; 
 } mc_neighbour_s;