diff --git a/src/Functions/FunctionsComparison.h b/src/Functions/FunctionsComparison.h
index 4405a840cd5bd42305a1739609c498c0ddc9e4c1..fc13dd630aeb4653e9db682d3841a4ac05b3642e 100644
--- a/src/Functions/FunctionsComparison.h
+++ b/src/Functions/FunctionsComparison.h
@@ -56,6 +56,7 @@ namespace ErrorCodes
     extern const int ILLEGAL_TYPE_OF_ARGUMENT;
     extern const int LOGICAL_ERROR;
     extern const int NOT_IMPLEMENTED;
+    extern const int BAD_ARGUMENTS;
 }