diff --git a/earlyoom.service.in b/earlyoom.service.in
index 3404643..99dfcd4 100644
--- a/earlyoom.service.in
+++ b/earlyoom.service.in
@@ -44,7 +44,7 @@ IPAddressDeny=any
 RestrictAddressFamilies=AF_UNIX
 
 SystemCallArchitectures=native
-SystemCallFilter=@system-service
+SystemCallFilter=@system-service process_mrelease
 SystemCallFilter=~@resources @privileged
 
 [Install]