diff --git a/source/shared/core_sqlsrv.h b/source/shared/core_sqlsrv.h
index 052ad745..3c954560 100644
--- a/source/shared/core_sqlsrv.h
+++ b/source/shared/core_sqlsrv.h
@@ -1129,7 +1129,7 @@ enum SQLSRV_CONN_OPTIONS {
     SQLSRV_CONN_OPTION_APPLICATION_INTENT,
     SQLSRV_CONN_OPTION_MULTI_SUBNET_FAILOVER,
     SQLSRV_CONN_OPTION_AUTHENTICATION,
-	SQLSRV_CONN_OPTION_TRANSPARANT_NETWORK_IP_RESOLUTION,
+    SQLSRV_CONN_OPTION_TRANSPARANT_NETWORK_IP_RESOLUTION,
 #ifdef _WIN32
     SQLSRV_CONN_OPTION_CONN_RETRY_COUNT,
     SQLSRV_CONN_OPTION_CONN_RETRY_INTERVAL,