diff --git a/lambdas/config.py b/lambdas/config.py
index 8545fa1..61d6f03 100644
--- a/lambdas/config.py
+++ b/lambdas/config.py
@@ -4,6 +4,7 @@
 INDEX_ALIASES = {
     "rdi": ["jpal", "whoas", "zenodo"],
     "timdex": ["alma", "aspace", "dspace"],
+    "geo": ["gismit", "gisogm"],
 }
 REQUIRED_ENV = {
     "TIMDEX_ALMA_EXPORT_BUCKET_ID",