diff --git a/modules/prompt/themes/minimal.zsh-theme b/modules/prompt/themes/minimal.zsh-theme
index cb07f71..fb6f26f 100644
--- a/modules/prompt/themes/minimal.zsh-theme
+++ b/modules/prompt/themes/minimal.zsh-theme
@@ -3,7 +3,7 @@
 # https://github.com/S1cK94/minimal
 #
 
-autoload -U colors && colors
+autoload -Uz colors && colors
 
 setopt prompt_subst
 
diff --git a/modules/prompt/themes/steeef.zsh-theme b/modules/prompt/themes/steeef.zsh-theme
index 8f0db50..8c23dd4 100644
--- a/modules/prompt/themes/steeef.zsh-theme
+++ b/modules/prompt/themes/steeef.zsh-theme
@@ -16,7 +16,7 @@ PR_GIT_UPDATE=1
 
 setopt prompt_subst
 
-autoload -U add-zsh-hook
+autoload -Uz add-zsh-hook
 autoload -Uz vcs_info
 
 #use extended color pallete if available