diff --git a/affiliations-tools/v1/expand.ini b/affiliations-tools/v1/expand.ini
index c34ef84..c379221 100644
--- a/affiliations-tools/v1/expand.ini
+++ b/affiliations-tools/v1/expand.ini
@@ -26,7 +26,7 @@
 # ---------  Découpage du champ  avec libpostal (decoupage en champs)
 [expand]
 path = value
-cache = boost
+cacheName = step1
 [expand/URLConnect]
 url = https://ws-libpostal.sandbox.istex.fr/parse/expand
 timeout = 5000
@@ -34,7 +34,7 @@
 # ---------  Enrichissement du resultat libpostal
 [expand]
 size = 1
-cache = boost
+cacheName = step2
 path = value
 
 [expand/assign]