diff --git a/salt/common/tools/sbin/so-minion b/salt/common/tools/sbin/so-minion
index 89c00bb3c..3d5930c77 100755
--- a/salt/common/tools/sbin/so-minion
+++ b/salt/common/tools/sbin/so-minion
@@ -5,7 +5,7 @@
 # https://securityonion.net/license; you may not use this file except in compliance with the
 # Elastic License 2.0.
 
-if [ $OPERATION != 'setup' ]; then
+if [[ $OPERATION != 'setup' ]]; then
 . /usr/sbin/so-common
 fi