diff --git a/functions/sql/index.js b/functions/sql/index.js
index e5df892375..e7d65f2389 100644
--- a/functions/sql/index.js
+++ b/functions/sql/index.js
@@ -85,7 +85,7 @@ const pgConfig = {
 };
 
 if (process.env.NODE_ENV === 'production') {
-  pgConfig.socketPath = `/cloudsql/${connectionName}`;
+  pgConfig.host = `/cloudsql/${connectionName}`;
 }
 
 // Connection pools reuse connections between invocations,