diff --git a/client/src/fileutils.c b/client/src/fileutils.c
index d70fe508d..be6cab977 100644
--- a/client/src/fileutils.c
+++ b/client/src/fileutils.c
@@ -1482,6 +1482,7 @@ static int filelist(const char *path, const char *ext, uint8_t last, bool tentat
 
         char tmp_fullpath[1024] = {0};
         strncat(tmp_fullpath, path, sizeof(tmp_fullpath) - 1);
+        tmp_fullpath[1023] = 0x00;
         strncat(tmp_fullpath, namelist[i]->d_name, strlen(tmp_fullpath) - 1);
 
         if (is_directory(tmp_fullpath)) {