diff --git a/setup b/setup
index 57b3ded..db9ede6 100755
--- a/setup
+++ b/setup
@@ -21,10 +21,10 @@
 fi
 
 # Check if 'column' command is present
-COLUMN=`which column`
+COLUMN=$(which column || true)
 if [ -z "$COLUMN" ]; then
     # If it is not, use 'cat'
-	COLUMN=`which cat`
+    COLUMN=$(which cat)
 fi
 
 machine() {