diff --git a/etc/guix-daemon.service.in b/etc/guix-daemon.service.in
index 28ef000920..fc7c811db6 100644
--- a/etc/guix-daemon.service.in
+++ b/etc/guix-daemon.service.in
@@ -11,5 +11,8 @@ RemainAfterExit=yes
 StandardOutput=syslog
 StandardError=syslog
 
+# See <https://lists.gnu.org/archive/html/guix-devel/2016-04/msg00608.html>.
+TasksMax=1024
+
 [Install]
 WantedBy=multi-user.target