diff --git a/arch/tuwunel.service b/arch/tuwunel.service
index 334256fc..42f36ad3 100644
--- a/arch/tuwunel.service
+++ b/arch/tuwunel.service
@@ -25,6 +25,8 @@ TTYRows=40
 AmbientCapabilities=
 CapabilityBoundingSet=
 
+ManagedOOMPreference=avoid
+
 DevicePolicy=closed
 LockPersonality=yes
 MemoryDenyWriteExecute=yes
diff --git a/debian/tuwunel.service b/debian/tuwunel.service
index bb2a3e63..bfd0c80e 100644
--- a/debian/tuwunel.service
+++ b/debian/tuwunel.service
@@ -18,6 +18,8 @@ ReadWritePaths=/var/lib/tuwunel /etc/tuwunel
 AmbientCapabilities=
 CapabilityBoundingSet=
 
+ManagedOOMPreference=avoid
+
 DevicePolicy=closed
 LockPersonality=yes
 MemoryDenyWriteExecute=yes
diff --git a/rpm/tuwunel.service b/rpm/tuwunel.service
index b37d202e..606ee39d 100644
--- a/rpm/tuwunel.service
+++ b/rpm/tuwunel.service
@@ -18,6 +18,8 @@ ReadWritePaths=/var/lib/tuwunel /etc/tuwunel
 AmbientCapabilities=
 CapabilityBoundingSet=
 
+ManagedOOMPreference=avoid
+
 DevicePolicy=closed
 LockPersonality=yes
 MemoryDenyWriteExecute=yes