diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index 16f83bf6..456346ea 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -2122,7 +2122,7 @@ _p9k_init() {
 
   _p9k_init_icons
 
-  typeset -lf _p9k_set_os() {
+  typeset -lf set_os() {
     OS=$1
     _p9k_get_icon $2
     OS_ICON=$_P9K_RETVAL