diff --git a/models/streamline/silver/core/streamline__get_chainhead.sql b/models/streamline/silver/core/streamline__get_chainhead.sql
index 07de690..9ae3774 100644
--- a/models/streamline/silver/core/streamline__get_chainhead.sql
+++ b/models/streamline/silver/core/streamline__get_chainhead.sql
@@ -6,7 +6,7 @@
 SELECT
     live.udf_api(
         'POST',
-        '{service}{Authentication}',{},{ 'method' :'eth_blockNumber',
+        '{service}/{Authentication}',{},{ 'method' :'eth_blockNumber',
         'params' :[],
         'id' :1,
         'jsonrpc' :'2.0' },