diff --git a/src/evm.c b/src/evm.c
index 819fa61..38e0226 100644
--- a/src/evm.c
+++ b/src/evm.c
@@ -156,7 +156,7 @@ int evrsrm_recv(EV_RSR_t *evrsr_request) {
     tr_oer[0] = 4;  // Facilities
     fi_oer[0] = 4;
     if (!(evrsr_request->messageBody.present == EV_RSR_MessageBody_PR_preReservationRequestMessage ||
-        evrsr_request->messageBody.present == EV_RSR_MessageBody_PR_reservationRequestMessage)) {
+          evrsr_request->messageBody.present == EV_RSR_MessageBody_PR_reservationRequestMessage)) {
         rv = 1;
         goto cleanup;
     }
@@ -196,7 +196,7 @@ int evrsrm_recv(EV_RSR_t *evrsr_request) {
     itss_queue_send(facilities.tx_queue, tr_oer, enc.encoded + 1, ITSS_TRANSPORT, id, "TR.packet.btp");
 
     itss_queue_send(facilities.tx_queue, fi_oer, enc_fdi.encoded + 1, ITSS_APPLICATIONS, id, "FI.message");
-    
+
 cleanup:
     log_debug("[ev] evrsrm_recv done");
     return rv;
@@ -213,9 +213,9 @@ static int evrsrm_pre_reservation_response(uint8_t *evrsrm_oer, uint32_t *evrsrm
     evrsr_response->messageBody.present = EV_RSR_MessageBody_PR_preReservationResponseMessage;
 
     PreReservationResponseMessage_t response = evrsr_response->messageBody.choice.preReservationResponseMessage;
-    char *pre_reservation_id = calloc(1, sizeof(char) * 10);
-    sprintf(pre_reservation_id, "%d", pre_reservation_id);
-    response.preReservation_ID = *create_utf8_from_string(pre_reservation_id, strlen(pre_reservation_id));
+    char *pre_reservation_id_s = calloc(1, sizeof(char) * 10);
+    sprintf(pre_reservation_id_s, "%d", pre_reservation_id);
+    response.preReservation_ID = *create_utf8_from_string(pre_reservation_id_s, strlen(pre_reservation_id_s));
 
     response.availabilityStatus = 0;
 
@@ -235,7 +235,7 @@ static int evrsrm_pre_reservation_response(uint8_t *evrsrm_oer, uint32_t *evrsrm
     pre_reservation_id++;
 cleanup:
     ASN_STRUCT_FREE(asn_DEF_EV_RSR, evrsr_response);
-    return rv;  
+    return rv;
 }
 
 int evcsnm_check(EvcsnPdu_t *evcsnm) {