diff --git a/salt/common/tools/sbin/so-common b/salt/common/tools/sbin/so-common
index 985042876..53901a73a 100755
--- a/salt/common/tools/sbin/so-common
+++ b/salt/common/tools/sbin/so-common
@@ -163,7 +163,7 @@ get_random_value() {
 }
 
 gpg_rpm_import() {
-	if [[ "$OS" = "centos" ]]; then
+	if [[ "$OS" == "centos" ]]; then
 	    if [[ "$WHATWOULDYOUSAYYAHDOHERE" == "setup" ]]; then
 	        local RPMKEYSLOC=$temp_install_dir/salt/common/keys
 	    else