diff --git a/chrony.spec b/chrony.spec
index a9e680d..ed1caf7 100644
--- a/chrony.spec
+++ b/chrony.spec
@@ -72,17 +72,17 @@ service to other computers in the network.
 %{gpgverify} --keyring=%{SOURCE2} --signature=%{SOURCE1} --data=%{SOURCE0}
 %setup -q -n %{name}-%{version}%{?prerelease} -a 10
 %{?gitpatch:%patch0 -p1}
-%patch1 -p1 -b .nm-dispatcher-dhcp
-%patch2 -p1 -b .keys
-%patch3 -p1 -b .services
-%patch4 -p1 -b .defconfig
-%patch5 -p1
-%patch6 -p1 -b .docrefresh
-%patch7 -p1
-%patch8 -p1
+%patch -P 1 -p1 -b .nm-dispatcher-dhcp
+%patch -P 2 -p1 -b .keys
+%patch -P 3 -p1 -b .services
+%patch -P 4 -p1 -b .defconfig
+%patch -P 5 -p1
+%patch -P 6 -p1 -b .docrefresh
+%patch -P 7 -p1
+%patch -P 8 -p1
 
 pushd clknetsim-*-%{clknetsim_ver}*
-%patch20 -R -p1
+%patch -P 20 -R -p1
 popd
 
 %{?gitpatch: echo %{version}-%{gitpatch} > version.txt}