diff --git a/include/xrpl/basics/Number.h b/include/xrpl/basics/Number.h
index 7f25bc93a0..561f2b9e91 100644
--- a/include/xrpl/basics/Number.h
+++ b/include/xrpl/basics/Number.h
@@ -131,7 +131,7 @@ struct MantissaRange
      * representation will always have a consistent number of digits.
      */
     rep internalMin;
-    int log{computeLog(min)};
+    rep log{computeLog(min)};
     mantissa_scale scale;
 
 private: