diff --git a/install/elementsynapse-install.sh b/install/elementsynapse-install.sh
index 395c0e4e3..226b965b3 100644
--- a/install/elementsynapse-install.sh
+++ b/install/elementsynapse-install.sh
@@ -44,7 +44,7 @@ ADMIN_PASS="$(openssl rand -base64 18 | cut -c1-13)"
 echo "enable_registration_without_verification: true" >>/etc/matrix-synapse/homeserver.yaml
 echo "registration_shared_secret: ${SECRET}" >>/etc/matrix-synapse/homeserver.yaml
 
-cat <<'EOFRTC' >>/etc/matrix-synapse/homeserver.yaml
+cat <<EOF >>/etc/matrix-synapse/homeserver.yaml
 
 # MatrixRTC / Element Call configuration
 experimental_features:
@@ -60,7 +60,7 @@ rc_message:
 rc_delayed_event_mgmt:
   per_second: 1
   burst_count: 20
-EOFRTC
+EOF
 systemctl enable -q --now matrix-synapse
 $STD register_new_matrix_user -a --user admin --password "$ADMIN_PASS" --config /etc/matrix-synapse/homeserver.yaml
 {