diff --git a/chemtool-desktop.patch b/chemtool-desktop.patch
index bdc047d..0deabcb 100644
--- a/chemtool-desktop.patch
+++ b/chemtool-desktop.patch
@@ -1,7 +1,7 @@
 diff -up chemtool-1.6.14/chemtool.desktop.d chemtool-1.6.14/chemtool.desktop
 --- chemtool-1.6.14/chemtool.desktop.d	2007-11-10 22:12:35.000000000 +0100
-+++ chemtool-1.6.14/chemtool.desktop	2014-07-17 19:21:19.195259499 +0200
-@@ -4,8 +4,9 @@ Name=Chemtool
++++ chemtool-1.6.14/chemtool.desktop	2017-02-21 01:29:37.499144162 +0100
+@@ -4,9 +4,10 @@ Name=Chemtool
  Comment=The molecules drawing program (2D)
  Comment[cs]=Kreslení chemických vzorců
  Comment[de]=Moleküleditor
@@ -12,3 +12,5 @@ diff -up chemtool-1.6.14/chemtool.desktop.d chemtool-1.6.14/chemtool.desktop
  Terminal=false
  Type=Application
  MimeType=application/x-chemtool
+-Categories=Application;Chemistry
++Categories=Application;Chemistry;
diff --git a/chemtool.spec b/chemtool.spec
index ba96566..7503401 100644
--- a/chemtool.spec
+++ b/chemtool.spec
@@ -1,7 +1,7 @@
 Summary: A program for 2D drawing organic molecules
 Name: chemtool
 Version: 1.6.14
-Release: 7%{?dist}
+Release: 8%{?dist}
 License: GPLv2+
 Source0: http://ruby.chemie.uni-freiburg.de/~martin/chemtool/%{name}-%{version}.tar.gz
 Patch0: %{name}-compile.patch
@@ -58,7 +58,9 @@ desktop-file-install \
 
 %post
 touch --no-create %{_datadir}/icons/hicolor &>/dev/null || :
+%if 0%{fedora} < 25
 %{_bindir}/update-desktop-database &> /dev/null ||:
+%endif
 
 %posttrans
 gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
@@ -68,7 +70,9 @@ if [ $1 -eq 0 ] ; then
   touch --no-create %{_datadir}/icons/hicolor
   gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 fi
+%if 0%{fedora} < 25
 %{_bindir}/update-desktop-database &> /dev/null ||:
+%endif
 
 %files -f %{name}.lang
 %doc ChangeLog README TODO examples using_chemtool.html
@@ -85,6 +89,10 @@ fi
 %{_mandir}/man1/cht.1*
 
 %changelog
+* Tue Feb 21 2017 Dominik Mierzejewski <rpm@greysector.net> - 1.6.14-8
+- add missing semicolon to the desktop file (#1423253)
+- drop unnecessary update-desktop-database calls for F25+
+
 * Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 1.6.14-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild