diff --git a/dbms/src/IO/ReadHelpers.h b/dbms/src/IO/ReadHelpers.h
index 1257f4da3b9..47a5a12c976 100644
--- a/dbms/src/IO/ReadHelpers.h
+++ b/dbms/src/IO/ReadHelpers.h
@@ -952,7 +952,7 @@ static inline const char * tryReadIntText(T & x, const char * pos, const char *
 {
     ReadBufferFromMemory in(pos, end - pos);
     tryReadIntText(x, in);
-    return in.position();
+    return pos + in.count();
 }