1 files changed, 1 insertions, 1 deletions
diff --git a/src/library.js b/src/library.js
index 1c91bb55..ade63d45 100644
--- a/src/library.js
+++ b/src/library.js
@@ -2687,7 +2687,7 @@ LibraryManager.library = {
         type = 'i32'; // varargs are always i32, i64, or double
         ret = {{{ makeGetValue('varargs', 'argIndex', 'i32', undefined, undefined, true) }}};
       }
-      argIndex += Runtime.getAlignSize(type, null, true);
+      argIndex += Math.max(Runtime.getNativeFieldSize(type), Runtime.getAlignSize(type, null, true));
       return ret;
     }