diff --git a/comanage-registry-base/Dockerfile b/comanage-registry-base/Dockerfile
index ddd94d7..334aaca 100644
--- a/comanage-registry-base/Dockerfile
+++ b/comanage-registry-base/Dockerfile
@@ -113,6 +113,9 @@ ENV COMANAGE_REGISTRY_ADMIN_FAMILY_NAME ${COMANAGE_REGISTRY_ADMIN_FAMILY_NAME:-A
 ENV COMANAGE_REGISTRY_ADMIN_USERNAME ${COMANAGE_REGISTRY_ADMIN_USERNAME:-registry.admin}
 ENV COMANAGE_REGISTRY_ENABLE_POOLING ${COMANAGE_REGISTRY_ENABLE_POOLING:-No}
 
+# Configure LDAP client libraries for TLS
+ENV LDAPTLS_CACERT /etc/ssl/certs/ca-certificates.crt
+
 ENTRYPOINT ["docker-comanage-entrypoint"]
 
 CMD ["apache2-foreground"]