diff --git a/site-manage/site-manage-tool/tool/src/java/org/sakaiproject/site/tool/SiteAction.java b/site-manage/site-manage-tool/tool/src/java/org/sakaiproject/site/tool/SiteAction.java
index 505f16347a4..544b7fec7a4 100644
--- a/site-manage/site-manage-tool/tool/src/java/org/sakaiproject/site/tool/SiteAction.java
+++ b/site-manage/site-manage-tool/tool/src/java/org/sakaiproject/site/tool/SiteAction.java
@@ -11921,7 +11921,16 @@ private Map<String, List<MyTool>> getTools(SessionState state, String type, Site
 
 			state.setAttribute(STATE_TOOL_HOME_SELECTED, Boolean.valueOf(
 					homeSelected));
-
+			for (String ltiIdString : existingLtiIds.keySet()) { //we need to check through the existing tool IDs for ones that might be in the site but stealthed.
+				try {
+					Map<String, Object> existingToolNow = m_ltiService.getTool(Long.parseLong(ltiIdString), Objects.toString(state.getAttribute(STATE_SITE_INSTANCE_ID)));
+					if (existingToolNow != null && StringUtils.equals("1", Objects.toString(existingToolNow.get(m_ltiService.LTI_VISIBLE)))) { //if Visible=1, the tool is stealthed and we need to add it in automatically because it can't be checked by the user.
+						ltiSelectedTools.put(ltiIdString, existingLtiIds.get(ltiIdString));
+					}
+				} catch (NumberFormatException numberFormatException) {
+					log.error("Unable to parse lti tool id " + ltiIdString, numberFormatException);
+				}
+			}
 			if (!ltiSelectedTools.isEmpty())
 			{
 				state.setAttribute(STATE_LTITOOL_SELECTED_LIST, ltiSelectedTools);