diff --git a/src/platform/src/Bridge/Gemini/Gemini/ResultConverter.php b/src/platform/src/Bridge/Gemini/Gemini/ResultConverter.php
index 9e7cafe1d..020c7878b 100644
--- a/src/platform/src/Bridge/Gemini/Gemini/ResultConverter.php
+++ b/src/platform/src/Bridge/Gemini/Gemini/ResultConverter.php
@@ -92,7 +92,7 @@ private function convertStream(HttpResponse $result): \Generator
                 try {
                     $data = json_decode($delta, true, 512, \JSON_THROW_ON_ERROR);
                 } catch (\JsonException $e) {
-                    throw new RuntimeException('Failed to decode JSON response.', 0, $e);
+                    throw new RuntimeException('Failed to decode JSON response.', previous: $e);
                 }
 
                 $choices = array_map($this->convertChoice(...), $data['candidates'] ?? []);
diff --git a/src/platform/src/Bridge/VertexAi/Gemini/ResultConverter.php b/src/platform/src/Bridge/VertexAi/Gemini/ResultConverter.php
index 179689d63..b344c576d 100644
--- a/src/platform/src/Bridge/VertexAi/Gemini/ResultConverter.php
+++ b/src/platform/src/Bridge/VertexAi/Gemini/ResultConverter.php
@@ -91,7 +91,7 @@ private function convertStream(HttpResponse $result): \Generator
                 try {
                     $data = json_decode($delta, true, 512, \JSON_THROW_ON_ERROR);
                 } catch (\JsonException $e) {
-                    throw new RuntimeException('Failed to decode JSON response.', 0, $e);
+                    throw new RuntimeException('Failed to decode JSON response.', previous: $e);
                 }
 
                 $choices = array_map($this->convertChoice(...), $data['candidates'] ?? []);