diff --git a/eidas-connector-common/overlay/etc/eidas-connector/eidas-connector.conf b/eidas-connector-common/overlay/etc/eidas-connector/eidas-connector.conf
index fe3725ea..8e519b49 100644
--- a/eidas-connector-common/overlay/etc/eidas-connector/eidas-connector.conf
+++ b/eidas-connector-common/overlay/etc/eidas-connector/eidas-connector.conf
@@ -43,6 +43,7 @@ export IDP_PKCS11_LIBRARY=/usr/safenet/lunaclient/lib/libCryptoki2_64.so
 export IDP_PKCS11_SLOT=sc_ha
 export IDP_METADATA_SIGNING_PKCS11_ENABLED=true
 export SP_METADATA_SIGNING_PKCS11_ENABLED=true
+export IDP_PKCS11_SLOT_LIST_INDEX=1
 
 export IDP_SIGNING_KEY="/etc/eidas-connector/credentials/connector.key"
 export IDP_SIGNING_PKCS11_ALIAS=sc_eidas_sign