diff --git a/init.zsh b/init.zsh
index b290dd1..b98e77a 100644
--- a/init.zsh
+++ b/init.zsh
@@ -50,7 +50,7 @@ export LESS="--mouse"
 
 # Safer file functions
 local rm_confirm_flag='-i'
-uname | grep linux && rm_confirm_flag='-I'
+uname | grep -i linux && rm_confirm_flag='-I'
 alias rm="rm ${rm_confirm_flag}"
 alias cp="cp -i"
 alias mv="mv -i"