diff --git a/src/main/java/edu/iu/uits/lms/crosslist/controller/CrosslistController.java b/src/main/java/edu/iu/uits/lms/crosslist/controller/CrosslistController.java
index 7a41fd6..a4e914a 100644
--- a/src/main/java/edu/iu/uits/lms/crosslist/controller/CrosslistController.java
+++ b/src/main/java/edu/iu/uits/lms/crosslist/controller/CrosslistController.java
@@ -376,7 +376,10 @@ public String doContinue(@PathVariable("courseId") String courseId, @RequestPara
                 newEntry = false;
             }
 
-            uiSection.add(sectionUI);
+            if (sectionUI.getSectionId() != null) {
+                uiSection.add(sectionUI);
+            }
+
             if (newEntry) {
                 rebuiltTermMap.put(termMap.get(sectionUI.getTermId()), uiSection);
             }