diff --git a/setup/so-functions b/setup/so-functions
index 39c4144db..53ce44a33 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -951,7 +951,7 @@ detect_os() {
 			is_rocky=true
 			pkgman="dnf"
 		elif grep -q "CentOS Stream release 9" /etc/redhat-release; then
-		    OS=centos
+			OS=centos
 			OSVER=9
 			is_centos=true
 			pkgman=dnf