diff --git a/dbms/src/Functions/geoToH3.cpp b/dbms/src/Functions/geoToH3.cpp
index 1dd809b349ea5d8f475e2758a5701098ecff08ff..19c3d8e5193ac5bdd496beb082fd99679254f138 100644
--- a/dbms/src/Functions/geoToH3.cpp
+++ b/dbms/src/Functions/geoToH3.cpp
@@ -11,7 +11,8 @@
 #include <ext/range.h>
 
 
-extern "C" {
+extern "C"
+{
 #ifdef __clang__
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdocumentation"