diff --git a/src/Functions/FunctionsJSON.cpp b/src/Functions/FunctionsJSON.cpp
index db1602b1939..47040545677 100644
--- a/src/Functions/FunctionsJSON.cpp
+++ b/src/Functions/FunctionsJSON.cpp
@@ -10,6 +10,7 @@
 #include <Common/assert_cast.h>
 
 #include <Core/AccurateComparison.h>
+#include <Core/Settings.h>
 
 #include <Columns/ColumnConst.h>
 #include <Columns/ColumnLowCardinality.h>