diff --git a/backend/src/__fixtures__/mempool-config.template.json b/backend/src/__fixtures__/mempool-config.template.json
index 3a2b151a5..5ed888962 100644
--- a/backend/src/__fixtures__/mempool-config.template.json
+++ b/backend/src/__fixtures__/mempool-config.template.json
@@ -93,7 +93,7 @@
     "PASSWORD": "__SOCKS5PROXY_PASSWORD__"
   },
   "PRICE_DATA_SERVER": {
-    "UPDATE_FREQUENCY": "__PRICE_DATA_SERVER_UPDATE_FREQUENCY",
+    "UPDATE_FREQUENCY": "__PRICE_DATA_SERVER_UPDATE_FREQUENCY__",
     "TOR_URL": "__PRICE_DATA_SERVER_TOR_URL__",
     "CLEARNET_URL": "__PRICE_DATA_SERVER_CLEARNET_URL__"
   },