diff --git a/utils/mnetsubunsub/mnetsubunsub.c b/utils/mnetsubunsub/mnetsubunsub.c
index 16585af..7496aa2 100644
--- a/utils/mnetsubunsub/mnetsubunsub.c
+++ b/utils/mnetsubunsub/mnetsubunsub.c
@@ -26,14 +26,14 @@ struct msgarea_t {
 };
 
 struct msg_t {
-    int area;
+    uint32_t area;
     char from[32];
     char to[32];
     char subject[64];
     uint32_t timedate;
-    int oaddr;
-    int daddr;
-    int type;
+    uint32_t oaddr;
+    uint32_t daddr;
+    uint32_t type;
     char reply[36];
 } __attribute__ ((packed));
 
@@ -42,6 +42,14 @@ int area_count;
 int mynode = 0;
 int hubnode = 0;
 
+void msg_to_nl(struct msg_t *msg) {
+    msg->area = htonl(msg->area);
+    msg->timedate = htonl(msg->timedate);
+    msg->oaddr = htonl(msg->oaddr);
+    msg->daddr = htonl(msg->daddr);
+    msg->type = htonl(msg->type);
+}
+
 int copy_file(char *src, char *dest) {
 	FILE *src_file;
 	FILE *dest_file;
@@ -296,6 +304,8 @@ int main(int argc, char **argv) {
             fprintf(stderr, "Error creating file %s\n", buffer);
             return -1;
         }
+        
+        msg_to_nl(&msg);
 
         fwrite(&msg, sizeof(struct msg_t), 1, fptr);
         fwrite("ADD\r", 4, 1, fptr);
@@ -344,6 +354,8 @@ int main(int argc, char **argv) {
             return -1;
         }
 
+        msg_to_nl(&msg);
+
         fwrite(&msg, sizeof(struct msg_t), 1, fptr);
         fwrite("REMOVE\r", 7, 1, fptr);
         fclose(fptr);