diff --git a/resources/electron/electron-plugin/dist/server/api/system.js b/resources/electron/electron-plugin/dist/server/api/system.js
index 73042e2..a141029 100644
--- a/resources/electron/electron-plugin/dist/server/api/system.js
+++ b/resources/electron/electron-plugin/dist/server/api/system.js
@@ -107,7 +107,7 @@ router.post('/print-to-pdf', (req, res) => __awaiter(void 0, void 0, void 0, fun
             });
         });
     });
-    yield printWindow.loadURL(`data:text/html;charset=UTF-8,${html}`);
+    yield printWindow.loadURL(`data:text/html;base64;charset=UTF-8,${html}`);
 }));
 router.get('/theme', (req, res) => {
     res.json({
diff --git a/resources/electron/electron-plugin/src/server/api/system.ts b/resources/electron/electron-plugin/src/server/api/system.ts
index 4c74e0a..b46cf64 100644
--- a/resources/electron/electron-plugin/src/server/api/system.ts
+++ b/resources/electron/electron-plugin/src/server/api/system.ts
@@ -117,7 +117,7 @@ router.post('/print-to-pdf', async (req, res) => {
         });
     });
 
-    await printWindow.loadURL(`data:text/html;charset=UTF-8,${html}`);
+    await printWindow.loadURL(`data:text/html;base64;charset=UTF-8,${html}`);
 });
 
 router.get('/theme', (req, res) => {
diff --git a/src/System.php b/src/System.php
index d9d47c5..7fc8104 100644
--- a/src/System.php
+++ b/src/System.php
@@ -78,7 +78,7 @@ public function print(string $html, ?Printer $printer = null, ?array $settings =
     public function printToPDF(string $html, ?array $settings = []): string
     {
         return $this->client->post('system/print-to-pdf', [
-            'html' => $html,
+            'html' => base64_encode($html),
             'settings' => $settings,
         ])->json('result');
     }