diff --git a/src/main/java/edu/harvard/dbmi/avillach/dictionary/dashboard/DashboardRepository.java b/src/main/java/edu/harvard/dbmi/avillach/dictionary/dashboard/DashboardRepository.java
index 8782c96..077b301 100644
--- a/src/main/java/edu/harvard/dbmi/avillach/dictionary/dashboard/DashboardRepository.java
+++ b/src/main/java/edu/harvard/dbmi/avillach/dictionary/dashboard/DashboardRepository.java
@@ -71,7 +71,7 @@ public List<Map<String, String>> getHackyBDCRows() {
                         END
                         AS samples,
                     CASE
-                        WHEN consent.consent_code <> NULL THEN concat(study_accession_meta.value, '.', consent.consent_code)
+                        WHEN consent.consent_code IS NOT NULL THEN concat(study_accession_meta.value, '.', consent.consent_code)
                         ELSE study_accession_meta.value
                         END
                         AS accession,