diff --git a/themes/barbuk/barbuk.theme.bash b/themes/barbuk/barbuk.theme.bash
index 609fd2be..6536aee8 100644
--- a/themes/barbuk/barbuk.theme.bash
+++ b/themes/barbuk/barbuk.theme.bash
@@ -11,8 +11,11 @@ SCM_HG_CHAR=${BARBUK_HG_CHAR:='☿ '}
 SCM_SVN_CHAR=${BARBUK_SVN_CHAR:='⑆ '}
 EXIT_CODE_ICON=${BARBUK_EXIT_CODE_ICON:=' '}
 PYTHON_VENV_CHAR=${BARBUK_PYTHON_VENV_CHAR:=' '}
+COMMAND_DURATION_ICON=${BARBUK_COMMAND_DURATION_ICON:-'  '}
+
+# Command duration
+COMMAND_DURATION_MIN_SECONDS=${COMMAND_DURATION_MIN_SECONDS:-1}
 COMMAND_DURATION_COLOR="$bold_blue"
-COMMAND_DURATION_MIN_SECONDS=1
 
 # Ssh user and hostname display
 SSH_INFO=${BARBUK_SSH_INFO:=true}