diff --git a/modules/services/transmission/default.nix b/modules/services/transmission/default.nix
index cac075f..8e3506e 100644
--- a/modules/services/transmission/default.nix
+++ b/modules/services/transmission/default.nix
@@ -67,6 +67,14 @@ in
       };
     };
 
+    # Transmission wants to eat *all* my RAM if left to its own devices
+    systemd.services.transmission = {
+      serviceConfig = {
+        MemoryHigh = "25%";
+        MemoryMax = "33%";
+      };
+    };
+
     # Set-up media group
     users.groups.media = { };