diff --git a/src/Common/FieldVisitorsAccurateComparison.h b/src/Common/FieldVisitorsAccurateComparison.h
index ca2f5a62fae..84099eafb0f 100644
--- a/src/Common/FieldVisitorsAccurateComparison.h
+++ b/src/Common/FieldVisitorsAccurateComparison.h
@@ -113,7 +113,7 @@ public:
                 if constexpr (std::is_arithmetic_v<U>)
                 {
                     ReadBufferFromString in(l);
-                    T parsed;
+                    U parsed;
                     readText(parsed, in);
                     return operator()(parsed, r);
                 }