diff --git a/test.sh b/test.sh
index e642899..eff468e 100755
--- a/test.sh
+++ b/test.sh
@@ -32,6 +32,5 @@ function myfunc()
 	echo "ok"
 }
 
-detect_os targetvalue
-declare -p targetvalue
+if [ $(detect_os[1]) = "debian" ]; then echo 'YES'; fi