diff --git a/src/Functions/addressToLine.h b/src/Functions/addressToLine.h
index 8001c90d000..8216f114b2e 100644
--- a/src/Functions/addressToLine.h
+++ b/src/Functions/addressToLine.h
@@ -1,3 +1,4 @@
+#pragma once
 #if defined(__ELF__) && !defined(__FreeBSD__)
 
 #include <Common/Dwarf.h>