diff --git a/sh/main.sh b/sh/main.sh
index 9189197..665e707 100644
--- a/sh/main.sh
+++ b/sh/main.sh
@@ -9,7 +9,7 @@ SH_MAIN="${SH_ROOT}/${SH_MAIN_NAME}"
 
 # variables
 
-SH_SHELL="$(cat /proc/${$}/comm)"
+SH_SHELL="$(cat "/proc/${$}/comm")"
 SH_USER="${HOME}/${SH_NAME}"
 
 # functions