diff --git a/lib/lib_primordial.sh b/lib/lib_primordial.sh
index dd4dbba..2d408b2 100644
--- a/lib/lib_primordial.sh
+++ b/lib/lib_primordial.sh
@@ -106,6 +106,8 @@ normalize_ssh_key_file() {
 
     mv "${var_tmp_file}" "${var_key_file}"
 
+    chmod 0600 "${var_key_file}"
+
     if command -v ssh-keygen >/dev/null 2>&1; then
 
       if ! ssh-keygen -lf "${var_key_file}" >/dev/null; then