diff --git a/hack/testing-olm-upgrade/upgrade-common b/hack/testing-olm-upgrade/upgrade-common
index 7ddbf8f93..9803c906c 100644
--- a/hack/testing-olm-upgrade/upgrade-common
+++ b/hack/testing-olm-upgrade/upgrade-common
@@ -250,7 +250,7 @@ EOL
 fi
 
   log::info "Waiting for deployment $name to be ready in $ns"
-  wait_for_deployment_to_be_ready "$ns" "$name" $((2 * "$minute"))
+  wait_for_deployment_to_be_ready "$ns" "$name" $((2 * $minute))
 }
 
 wait_for_deployment_to_be_ready(){
@@ -405,7 +405,7 @@ discover_versions(){
   fi
 
   export version="$(echo $major_version.$minor_version)"
-  get_latest_previous_version $version
+  get_latest_previous_version "$version"
 }
 
 get_es_pods_count() {
@@ -491,7 +491,7 @@ deploy_previous_version() {
 
     # deploy elasticsearch-operator
     log::info "Deploying elasticsearch-operator ${previous_version} from marketplace..."
-    deploy_marketplace_operator "openshift-operators-redhat" "elasticsearch-operator" "$previous_version" "elasticsearch-operator"
+    deploy_marketplace_operator "openshift-operators-redhat" "elasticsearch-operator" "$previous_version" "elasticsearch-operator" true
 
     # check if the operator is running
     log::info "Verifying if elasticsearch-operator deployment is ready..."