diff --git a/k3b-2.0.3-disable-lsof-check.patch b/k3b-2.0.3-disable-lsof-check.patch
new file mode 100644
index 0000000..daaafb2
--- /dev/null
+++ b/k3b-2.0.3-disable-lsof-check.patch
@@ -0,0 +1,12 @@
+--- k3b-2.0.3/src/k3blsofwrapper.cpp.orig	2015-04-12 18:50:23.435000000 +0200
++++ k3b-2.0.3/src/k3blsofwrapper.cpp	2015-04-12 18:50:35.406000000 +0200
+@@ -110,8 +110,5 @@
+ 
+ bool K3b::LsofWrapper::findLsofExecutable()
+ {
+-    if( d->lsofBin.isEmpty() )
+-        d->lsofBin = K3b::findExe( "lsof" );
+-
+-    return !d->lsofBin.isEmpty();
++    return false;
+ }
diff --git a/k3b.spec b/k3b.spec
index e253182..e228be3 100644
--- a/k3b.spec
+++ b/k3b.spec
@@ -2,7 +2,7 @@
 %define pkgver %(echo %version | sed "s|[a-z]||")
 Name:          k3b
 Version:       2.0.3a
-Release:       2mamba
+Release:       3mamba
 Summary:       The CD/DVD/Blu-Ray Creator for KDE
 License:       GPL
 Group:         Graphical Desktop/Applications/Multimedia
@@ -13,6 +13,7 @@ URL:           http://www.k3b.org
 Source:        http://download.kde.org/stable/k3b/k3b-%{version}.tar.xz
 Patch0:        %{name}-1.0.4-configure_ffmpeg.patch
 Patch1:        k3b-2.0.2-ffmpeg.patch
+Patch2:        k3b-2.0.3-disable-lsof-check.patch
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
 BuildRequires: kdelibs-devel
@@ -174,6 +175,7 @@ Ukrainian language support for %{name}.
 %prep
 %setup -q -n %{name}-%{pkgver}
 #%patch1 -p1
+%patch2 -p1
 
 %build
 %cmake_kde4 -d build
@@ -297,6 +299,9 @@ exit 0
 %{_kde4_htmldir}/uk/k3b
 
 %changelog
+* Sun Apr 12 2015 Silvan Calarco <silvan.calarco@mambasoft.it> 2.0.3a-3mamba
+- patch to disable lsof check
+
 * Fri Nov 21 2014 Silvan Calarco <silvan.calarco@mambasoft.it> 2.0.3a-2mamba
 - remove old obsoletes for i18n packages