diff --git a/linux/debian/jamulus-headless.service b/linux/debian/jamulus-headless.service
index efba3e3cb4..1a175b0806 100644
--- a/linux/debian/jamulus-headless.service
+++ b/linux/debian/jamulus-headless.service
@@ -13,6 +13,7 @@ ProtectHome=true
 Nice=-20
 IOSchedulingClass=realtime
 IOSchedulingPriority=0
+MemorySwapMax=0
 
 #### Change this to publish this server, set genre, location and other parameters.
 #### See https://jamulus.io/wiki/Running-a-Server#server-mode-related-options ####