diff --git a/src/file_transfers.c b/src/file_transfers.c
index 9393aa7..041d97d 100644
--- a/src/file_transfers.c
+++ b/src/file_transfers.c
@@ -60,13 +60,15 @@ void print_progress_bar(ToxWindow *self, double bps, double pct_done, uint32_t l
         return;
     }
 
-    char pct_str[STR_BUF_SIZE] = {0};
+    char pct_str[STR_BUF_SIZE];
     snprintf(pct_str, sizeof(pct_str), "%.1f%%", pct_done);
 
-    char bps_str[STR_BUF_SIZE] = {0};
+    char bps_str[STR_BUF_SIZE];
     bytes_convert_str(bps_str, sizeof(bps_str), bps);
 
-    char prog_line[NUM_PROG_MARKS + 1] = {0};
+    char prog_line[NUM_PROG_MARKS + 1];
+    prog_line[0] = 0;
+
     int n = pct_done / (100 / NUM_PROG_MARKS);
     int i, j;
 
diff --git a/src/line_info.c b/src/line_info.c
index 00c6ac0..26f61d7 100644
--- a/src/line_info.c
+++ b/src/line_info.c
@@ -683,6 +683,9 @@ void line_info_set(ToxWindow *self, uint32_t id, char *msg)
 
     while (line) {
         if (line->id == id) {
+            size_t new_len = strlen(msg);
+            line->len = line->len - line->msg_len + new_len;
+            line->msg_len = new_len;
             snprintf(line->msg, sizeof(line->msg), "%s", msg);
             return;
         }