diff --git a/.gitignore b/.gitignore
index dcc6865..39e5046 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /chrony-1.27-pre1.tar.gz
+/chrony-1.27-pre1-git1ca844.patch.gz
diff --git a/chrony.spec b/chrony.spec
index b48f8cc..657527b 100644
--- a/chrony.spec
+++ b/chrony.spec
@@ -1,4 +1,5 @@
 %define prerelease -pre1
+%define gitpatch git1ca844
 Name:           chrony
 Version:        1.27
 Release:        0.4.pre1%{?gitpatch:.%{gitpatch}}%{?dist}
@@ -16,7 +17,7 @@ Source5:        chrony.logrotate
 Source7:        chrony.nm-dispatcher
 Source8:        chrony.dhclient
 Source9:        chrony-wait.service
-%{?gitpatch:Patch0: chrony-%{version}-%{gitpatch}.patch.gz}
+%{?gitpatch:Patch0: chrony-%{version}%{?prerelease}-%{gitpatch}.patch.gz}
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:  libcap-devel libedit-devel nss-devel pps-tools-devel bison texinfo
diff --git a/sources b/sources
index c8a7547..22bdeb2 100644
--- a/sources
+++ b/sources
@@ -1 +1,2 @@
 09185059c85789f7a62076d6e069437f  chrony-1.27-pre1.tar.gz
+42354d2b033d5c1f3610aab833d2c5c2  chrony-1.27-pre1-git1ca844.patch.gz