diff --git a/app-antivirus/clamav/files/freshclam.conf b/app-antivirus/clamav/files/freshclam.conf
new file mode 100644
--- /dev/null
+++ b/app-antivirus/clamav/files/freshclam.conf
@@ -0,0 +1,3 @@
+# Config file for /etc/init.d/freshclam
+
+FRESHCLAM_NICELEVEL=19