diff --git a/plugins/woocommerce/src/main/kotlin/org/wordpress/android/fluxc/network/rest/wpcom/wc/product/ProductRestClient.kt b/plugins/woocommerce/src/main/kotlin/org/wordpress/android/fluxc/network/rest/wpcom/wc/product/ProductRestClient.kt
index de133f1b4e..81dda78e73 100644
--- a/plugins/woocommerce/src/main/kotlin/org/wordpress/android/fluxc/network/rest/wpcom/wc/product/ProductRestClient.kt
+++ b/plugins/woocommerce/src/main/kotlin/org/wordpress/android/fluxc/network/rest/wpcom/wc/product/ProductRestClient.kt
@@ -1999,6 +1999,9 @@ class ProductRestClient @Inject constructor(
                 }
             }
         }
+        if (storedWCProductModel.password != updatedProductModel.password) {
+            body["post_password"] = updatedProductModel.password.orEmpty()
+        }
 
         return body
     }