diff --git a/dhki/modules/dkfz-compose.yml b/dhki/modules/dkfz-compose.yml
index 364e565..306396b 100644
--- a/dhki/modules/dkfz-compose.yml
+++ b/dhki/modules/dkfz-compose.yml
@@ -57,6 +57,9 @@ services:
       REMOTE_FHIR_SERVER_URL: http://umm-blaze/
       REMOTE_EXCHANGE_ID_SYSTEM: ${DKFZ_REMOTE_EXCHANGE_ID_SYSTEM:-SESSION_ID}
       DESTINATION_FHIR_SERVER_URL: http://blaze:8080
+      TTP_URL: ${DKFZ_TTP_URL}
+      TTP_ML_API_KEY: ${DKFZ_TTP_ML_API_KEY}
+      PROJECT_ID_SYSTEM: ${DKFZ_PROJECT_ID_SYSTEM:-dhkiComId}
       RUST_LOG: ${RUST_LOG:-info}
     volumes:
       - /var/cache/bridgehead/${PROJECT}/dkfz-transfair:/transfair
diff --git a/dhki/modules/dkfz-setup.sh b/dhki/modules/dkfz-setup.sh
index 77a7bcd..0230768 100644
--- a/dhki/modules/dkfz-setup.sh
+++ b/dhki/modules/dkfz-setup.sh
@@ -2,6 +2,9 @@
 
 function dkfzSetup() {
   if [ "${ENABLE_DKFZ:-}" == "true" ]; then
+    assertVarsNotEmpty DKFZ_TTP_URL DKFZ_TTP_ML_API_KEY || \
+      fail_and_report 1 "The DKFZ module requires DKFZ_TTP_URL and DKFZ_TTP_ML_API_KEY."
+
     log INFO "DKFZ TransFAIR setup detected -- will start TransFAIR and Beam.Connect."
     DKFZ_TRANSFAIR_BEAM_SECRET="$(cat /proc/sys/kernel/random/uuid | sed 's/[-]//g' | head -c 20)"
     OVERRIDE+=" -f ./dhki/modules/dkfz-compose.yml"