diff --git a/mime-info-to-mime b/mime-info-to-mime
index 8db1d0b..222cfca 100644
--- a/mime-info-to-mime
+++ b/mime-info-to-mime
@@ -28,6 +28,12 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
+if ( $ENV{"DESTDIR"} eq "" && $ARGV[0] ne "--force" ) {
+    print "System-wide \"$0\" is disabled. It may create bogus definitions!\n";
+    print "Use \"$0 --force\" to force it or set DESTDIR.\n";
+    exit 1;
+}
+
 # directory with mime-info
 $mimeinfodir=$ENV{"DESTDIR"} . "/usr/share/mime-info";
 
diff --git a/shared-mime-info.changes b/shared-mime-info.changes
index cbf3abf..faeef11 100644
--- a/shared-mime-info.changes
+++ b/shared-mime-info.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Apr  6 14:24:52 CEST 2007 - sbrabec@suse.cz
+
+- Disabled system-wide running of mime-info-to-mime (#150398).
+
 -------------------------------------------------------------------
 Mon Feb 19 15:44:32 CET 2007 - sbrabec@suse.cz
 
diff --git a/shared-mime-info.spec b/shared-mime-info.spec
index be70b32..21030f2 100644
--- a/shared-mime-info.spec
+++ b/shared-mime-info.spec
@@ -13,7 +13,7 @@
 Name:           shared-mime-info
 BuildRequires:  glib2-devel intltool libxml2-devel perl-XML-Parser
 Version:        0.20
-Release:        1
+Release:        7
 URL:            http://freedesktop.org/wiki/Software/shared-mime-info
 Group:          System/X11/Utilities
 License:        GNU General Public License (GPL)
@@ -73,6 +73,8 @@ usr/bin/update-mime-database usr/share/mime >/dev/null
 %{_mandir}/man?/*.*
 
 %changelog
+* Fri Apr 06 2007 - sbrabec@suse.cz
+- Disabled system-wide running of mime-info-to-mime (#150398).
 * Mon Feb 19 2007 - sbrabec@suse.cz
 - Updated to version 0.20:
   * Many new MIME types added (see NEWS for complete list).