diff --git a/prestashop1.7/controllers/admin/AdminTawktoController.php b/prestashop1.7/controllers/admin/AdminTawktoController.php
index bc6cb1a..fb7264f 100644
--- a/prestashop1.7/controllers/admin/AdminTawktoController.php
+++ b/prestashop1.7/controllers/admin/AdminTawktoController.php
@@ -115,6 +115,7 @@ public function renderView()
 
         $this->tpl_view_vars = [
             'iframe_url' => $this->getIframeUrl(),
+            'prestashop_version' => _PS_VERSION_,
             'base_url' => $this->getBaseUrl(),
             'controller' => $this->context->link->getAdminLink('AdminTawkto'),
             'tab_id' => (int) $this->context->controller->id,
diff --git a/prestashop1.7/views/templates/admin/tawkto/helpers/view/view.tpl b/prestashop1.7/views/templates/admin/tawkto/helpers/view/view.tpl
index 80d1a44..4b28e0c 100644
--- a/prestashop1.7/views/templates/admin/tawkto/helpers/view/view.tpl
+++ b/prestashop1.7/views/templates/admin/tawkto/helpers/view/view.tpl
@@ -86,7 +86,7 @@
 <script>
     var domain = "{$domain|escape:'url':'UTF-8'}";;
     var currentHost = window.location.protocol + "//" + window.location.host,
-        url = decodeURIComponent("{$iframe_url|cat:'&pltf=prestashop&pltfv=1.7&parentDomain='|escape:'url':'UTF-8'}") + currentHost,
+        url = decodeURIComponent("{$iframe_url|cat:'&pltf=prestashop&pltfv='|cat:$prestashop_version|cat:'&parentDomain='|escape:'url':'UTF-8'}") + currentHost,
         baseUrl = decodeURIComponent("{$base_url|escape:'url':'UTF-8'}"),
         current_id_tab = "{$tab_id|escape:'javascript':'UTF-8'}",
         controller = decodeURIComponent("{$controller|escape:'url':'UTF-8'}");
diff --git a/prestashop8.x/controllers/admin/AdminTawktoController.php b/prestashop8.x/controllers/admin/AdminTawktoController.php
index 6a245f2..1d26e60 100644
--- a/prestashop8.x/controllers/admin/AdminTawktoController.php
+++ b/prestashop8.x/controllers/admin/AdminTawktoController.php
@@ -114,6 +114,7 @@ public function renderView()
 
         $this->tpl_view_vars = [
             'iframe_url' => $this->getIframeUrl(),
+            'prestashop_version' => _PS_VERSION_,
             'base_url' => $this->getBaseUrl(),
             'controller' => $this->context->link->getAdminLink('AdminTawkto'),
             'tab_id' => (int) $this->context->controller->id,
diff --git a/prestashop8.x/views/templates/admin/tawkto/helpers/view/view.tpl b/prestashop8.x/views/templates/admin/tawkto/helpers/view/view.tpl
index 80d1a44..4b28e0c 100644
--- a/prestashop8.x/views/templates/admin/tawkto/helpers/view/view.tpl
+++ b/prestashop8.x/views/templates/admin/tawkto/helpers/view/view.tpl
@@ -86,7 +86,7 @@
 <script>
     var domain = "{$domain|escape:'url':'UTF-8'}";;
     var currentHost = window.location.protocol + "//" + window.location.host,
-        url = decodeURIComponent("{$iframe_url|cat:'&pltf=prestashop&pltfv=1.7&parentDomain='|escape:'url':'UTF-8'}") + currentHost,
+        url = decodeURIComponent("{$iframe_url|cat:'&pltf=prestashop&pltfv='|cat:$prestashop_version|cat:'&parentDomain='|escape:'url':'UTF-8'}") + currentHost,
         baseUrl = decodeURIComponent("{$base_url|escape:'url':'UTF-8'}"),
         current_id_tab = "{$tab_id|escape:'javascript':'UTF-8'}",
         controller = decodeURIComponent("{$controller|escape:'url':'UTF-8'}");