diff --git a/SOURCES/check-starttimer.patch b/SOURCES/check-starttimer.patch
new file mode 100644
index 0000000..7902a06
--- /dev/null
+++ b/SOURCES/check-starttimer.patch
@@ -0,0 +1,11 @@
+--- mdadm/systemd/mdcheck_start.timer~	2021-09-24 16:38:33.610083425 +0800
++++ mdadm/systemd/mdcheck_start.timer	2021-09-24 16:46:36.968506057 +0800
+@@ -9,7 +9,7 @@
+ Description=MD array scrubbing
+ 
+ [Timer]
+-OnCalendar=Sun *-*-1..7 1:00:00
++OnCalendar=Sun *-*-01,02,03,04,05,06,07 1:00:00
+ 
+ [Install]
+ WantedBy= mdmonitor.service
diff --git a/SPECS/mdadm.spec b/SPECS/mdadm.spec
index 48cf8d6..4687bba 100644
--- a/SPECS/mdadm.spec
+++ b/SPECS/mdadm.spec
@@ -1,7 +1,7 @@
 Summary:     The mdadm program controls Linux md devices (software RAID arrays)
 Name:        mdadm
 Version:     4.1
-Release:     7%{?dist}
+Release:     8%{?dist}
 Source:      http://www.kernel.org/pub/linux/utils/raid/mdadm/mdadm-%{version}.tar.xz
 Source1:     mdmonitor.init
 Source2:     raid-check
@@ -84,6 +84,7 @@ Patch70:     0070-Manage-imsm-Write-metadata-before-add.patch
 Patch71:     0071-Assemble-print-error-message-if-mdadm-fails-assembli.patch
 
 # RHEL customization patches
+Patch193:    check-starttimer.patch
 Patch194:    disable-journal.patch
 Patch195:    mdadm-3.4-udev-race.patch
 Patch196:    mdadm-3.3.2-skip-rules.patch
@@ -187,6 +188,7 @@ file can be used to help with some common tasks.
 %patch71 -p1 -b  .0071
 
 # RHEL customization patches
+%patch193 -p1 -b .starttimer
 %patch194 -p1 -b .disable
 %patch195 -p1 -b .race
 %patch196 -p1 -b .rules
@@ -258,6 +260,10 @@ rm -rf %{buildroot}
 /usr/share/mdadm/mdcheck
 
 %changelog
+* Fri Sep 24 2021 Xiao Ni <xni@redhat.com> - 4.1.8
+- mdcheck start timer starts failure
+- Resolves rhbz#1830736
+
 * Mon Sep 21 2020 Xiao Ni <xni@redhat.com> - 4.1.7
 - Disable raid5 journal
 - Resolves rhbz#1875457