diff --git a/modules/ripple_data/protocol/ripple_STAmount.cpp b/modules/ripple_data/protocol/ripple_STAmount.cpp
index ef23958b19..fe1ef9d0d8 100644
--- a/modules/ripple_data/protocol/ripple_STAmount.cpp
+++ b/modules/ripple_data/protocol/ripple_STAmount.cpp
@@ -436,7 +436,7 @@ void STAmount::canonicalize ()
         ++mOffset;
     }
 
-    if (mOffset < cMinOffset)
+    if ((mOffset < cMinOffset) || (mValue < vMinValue))
     {
         mValue = 0;
         mOffset = 0;