diff --git a/src/libxrpl/basics/Number.cpp b/src/libxrpl/basics/Number.cpp
index 02de174e08..5d95a46872 100644
--- a/src/libxrpl/basics/Number.cpp
+++ b/src/libxrpl/basics/Number.cpp
@@ -462,10 +462,10 @@ doNormalize(
         minMantissa,
         maxMantissa,
         "Number::normalize 2");
-    // XRPL_ASSERT_PARTS(
-    //     mantissa_ >= minMantissa && mantissa_ <= maxMantissa,
-    //     "xrpl::doNormalize",
-    //     "final mantissa fits in range");
+    XRPL_ASSERT_PARTS(
+        mantissa_ >= minMantissa && mantissa_ <= maxMantissa,
+        "xrpl::doNormalize",
+        "final mantissa fits in range");
 }
 
 template <>