diff --git a/examples/apache/matrix-synapse.conf b/examples/apache/matrix-synapse.conf
index e7e36fac6..7ed712ab6 100644
--- a/examples/apache/matrix-synapse.conf
+++ b/examples/apache/matrix-synapse.conf
@@ -56,6 +56,9 @@
Require all granted
+
+ Header always set Content-Type "application/json"
+
AllowOverride All
# Apache 2.4: