diff --git a/usb_modeswitch.spec b/usb_modeswitch.spec
index e16b64a..2abcd96 100644
--- a/usb_modeswitch.spec
+++ b/usb_modeswitch.spec
@@ -35,6 +35,7 @@ Source0:        http://www.draisberghof.de/usb_modeswitch/%{source_name}-%{versi
 Source1:        http://www.draisberghof.de/usb_modeswitch/%{source_name}-data-%{date}.tar.bz2
 Source2:        http://www.draisberghof.de/usb_modeswitch/device_reference.txt
 Source1000:     %{name}-data.rpmlintrc
+Patch1:         huawei-timing.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  fdupes
 BuildRequires:  libusb-devel
@@ -62,6 +63,7 @@ Data files for usb_modeswitch package.
 
 %prep
 %setup -q -a1 -n %{source_name}-%{version}
+%patch1 -p1 -d %{source_name}-data-%{date}
 
 cp %{SOURCE2} .