diff --git a/CHANGELOG.md b/CHANGELOG.md
index 679fc09..a991471 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Changelog
 
 ###  1.5.1
+* [fixes #545 keep fields unlocked if products does not exist in default language props mrleemon](https://github.com/hyyan/woo-poly-integration/issues/545)
 * [fixes #549 Quick edit Product synchronisation issues](https://github.com/hyyan/woo-poly-integration/issues/549)
 * [fixes #548 incorrect save hook caused inconsistent synchronisation behaviour, especially changing product type and visibility](https://github.com/hyyan/woo-poly-integration/issues/548)
 * [fixes #542 shop page breadcrumb in secondary language](https://github.com/hyyan/woo-poly-integration/issues/542) 
diff --git a/readme.txt b/readme.txt
index 18ae9c9..21f770b 100644
--- a/readme.txt
+++ b/readme.txt
@@ -137,6 +137,7 @@ Just make sure to setup your permalinks , and every thing will be fine , I promi
 == Changelog == 
 
 == 1.5.1 ==
+* fixes #545 keep fields unlocked if products does not exist in default language props mrleemon
 * fixes #549 Quick edit Product synchronisation issues
 * fixes #548 incorrect save hook caused inconsistent synchronisation behaviour, especially changing product type and visibility
 * fixes #542 shop page breadcrumb in secondary language 
diff --git a/src/Hyyan/WPI/Product/Meta.php b/src/Hyyan/WPI/Product/Meta.php
index c7bb495..0ffa910 100644
--- a/src/Hyyan/WPI/Product/Meta.php
+++ b/src/Hyyan/WPI/Product/Meta.php
@@ -178,7 +178,9 @@ public function handleProductScreen()
 
         if (isset($_GET['post'])) {
             $ID = absint($_GET['post']);
-            $disable = $ID && (pll_get_post_language($ID) != pll_default_language());
+            //#545 props mrleemon, only disable if post has a master version in site default language
+            $disable = $ID && ( pll_get_post_language($ID) != pll_default_language() ) 
+                && pll_get_post( $ID, pll_default_language() );                
         } elseif (isset($_GET['new_lang']) || $currentScreen->base == 'edit') {
             $disable = isset($_GET['new_lang']) && (esc_attr($_GET['new_lang']) != pll_default_language()) ?
                 true : false;