diff --git a/units/fsck-root.service.in b/units/fsck-root.service.in
index 3df2cd380..290c8453c 100644
--- a/units/fsck-root.service.in
+++ b/units/fsck-root.service.in
@@ -20,3 +20,4 @@ RemainAfterExit=no
 ExecStart=@rootlibexecdir@/systemd-fsck
 StandardOutput=syslog+console
 FsckPassNo=1
+TimeoutSec=0
diff --git a/units/fsck@.service.in b/units/fsck@.service.in
index 69d03db98..ad9ec3bcc 100644
--- a/units/fsck@.service.in
+++ b/units/fsck@.service.in
@@ -17,3 +17,4 @@ Type=oneshot
 RemainAfterExit=no
 ExecStart=@rootlibexecdir@/systemd-fsck %f
 StandardOutput=syslog+console
+TimeoutSec=0
diff --git a/units/quotacheck.service.in b/units/quotacheck.service.in
index 59a0c773e..d46a33564 100644
--- a/units/quotacheck.service.in
+++ b/units/quotacheck.service.in
@@ -17,6 +17,7 @@ Type=oneshot
 RemainAfterExit=yes
 ExecStart=@rootlibexecdir@/systemd-quotacheck
 StandardOutput=syslog
+TimeoutSec=0
 
 [Install]
 WantedBy=local-fs.target