diff --git a/.config/zsh/.zprofile b/.config/zsh/.zprofile
index 2f285aa..5258b98 100644
--- a/.config/zsh/.zprofile
+++ b/.config/zsh/.zprofile
@@ -79,8 +79,10 @@ fi
 
 ############################# Variables ########################################
 
-# Stop at / with backward-word and so on
-export WORDCHARS="${WORDCHARS/\//}"
+# Stop at / and _ with backward-word and so on
+WORDCHARS="${WORDCHARS/\/}"
+WORDCHARS="${WORDCHARS/_}"
+export WORDCHARS
 
 # minicom color on.
 export MINICOM="-c on -R utf-8"