diff --git a/inc/inc.ClassAccessOperation.php b/inc/inc.ClassAccessOperation.php
index de6433251..492be5f20 100644
--- a/inc/inc.ClassAccessOperation.php
+++ b/inc/inc.ClassAccessOperation.php
@@ -125,8 +125,9 @@ class SeedDMS_AccessOperation {
 	 * reviewers/approvers is only allowed if version modification is turned on
 	 * in the settings and the document has not been reviewed/approved by any
 	 * user/group already.
-	 * The admin may even set reviewers/approvers if is disallowed in the
-	 * settings.
+	 * The admin may even set reviewers/approvers after the review/approval
+	 * process has been started, but only if _allowChangeRevAppInProcess
+	 * explicitly allows it.
 	 */
 	function maySetReviewersApprovers($document) { /* {{{ */
 		if(get_class($document) == $this->dms->getClassname('document')) {
@@ -144,7 +145,7 @@ class SeedDMS_AccessOperation {
 					if($r['status'] == 1 || $r['status'] == -1)
 						$hasapproval = true;
 				}
-				if ((($this->settings->_enableVersionModification && ($document->getAccessMode($this->user) == M_ALL)) || $this->user->isAdmin()) && (($status["status"]==S_DRAFT_REV && !$hasreview) || ($status["status"]==S_DRAFT_APP && !$hasreview && !$hasapproval) || $status["status"]==S_DRAFT)) {
+				if ((($this->settings->_enableVersionModification && ($document->getAccessMode($this->user) == M_ALL)) || $this->user->isAdmin()) && (($status["status"]==S_DRAFT_REV && (!$hasreview || ($this->user->isAdmin() && $this->settings->_allowChangeRevAppInProcess))) || ($status["status"]==S_DRAFT_APP && ((!$hasreview && !$hasapproval) || ($this->user->isAdmin() && $this->settings->_allowChangeRevAppInProcess))) || $status["status"]==S_DRAFT)) {
 					return true;
 				}
 			}