diff --git a/engines/wikijs.py b/engines/wikijs.py
index c7d9487..d4c8c80 100644
--- a/engines/wikijs.py
+++ b/engines/wikijs.py
@@ -20,7 +20,8 @@ search_token = ''
 
 cookies = {}
 headers = {
-    "Authorization": f'Bearer {search_token}'
+    "Authorization": f'Bearer {search_token}',
+    "Content-Type": 'application/json'
 }
 '''Some engines might offer different result based on cookies or headers.
 Possible use-case: To set safesearch cookie or header to moderate.'''