diff --git a/rpi3-resizerootfs.service b/rpi3-resizerootfs.service
index 131955e..f94d888 100644
--- a/rpi3-resizerootfs.service
+++ b/rpi3-resizerootfs.service
@@ -5,7 +5,7 @@ DefaultDependencies=no
 
 [Service]
 Type=oneshot
-TimeoutSec=600
+TimeoutSec=infinity
 ExecStart=/usr/sbin/rpi3-resizerootfs
 ExecStart=/bin/systemctl --no-reload disable %n