diff --git a/.travis.yml b/.travis.yml
index 336caf0..f8cd03b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,12 +5,15 @@ env:
   global:
     #- OS=mac # add this too to let the script know that the OS is a mac
     # - ARCH=i686 # add this to run in 32-bit mode. See availability at README
-    - HAXE_VER: 3.1.3
+    
       # SAUCE_ACCESS_KEY
     - secure: "YOUR_ENCRYPTED_SAUCE_ACCESS_KEY" # if you want to use SauceLabs
       # SAUCE_USERNAME
     - secure: "YOUR_ENCRYPTED_SAUCE_USERNAME" # if you want to use SauceLabs
   matrix:
+    - HAXE_VER: 3.1.3
+    - HAXE_VER: latest
+    
     - TARGET=neko 
       # optional: FILENAME
     - TARGET=interp
diff --git a/src/bindx/BindExt.hx b/src/bindx/BindExt.hx
index 9f25251..6c4bdcc 100644
--- a/src/bindx/BindExt.hx
+++ b/src/bindx/BindExt.hx
@@ -308,7 +308,9 @@ class BindExt {
             fieldListenerBody.push(callPrev);
         
             if (field.params != null) {
-                fieldListenerBody.unshift(macro var n:Null < $type > = $i { oldValue } = try { $e; } catch (e:Dynamic) { null; } );
+                fieldListenerBody.unshift(macro $i { oldValue } = n);
+                fieldListenerBody.unshift(macro try { n = $e; } catch (e:Dynamic) { });
+                fieldListenerBody.unshift(macro var n:Null < $type > = null);
                 fieldListenerBody.unshift(macro var o:Null<$type> = $i{oldValue} );
                 
                 res.init.push(macro var $oldValue:Null<$type> = null);