diff --git a/src/inst-kiconthemes.nsi b/src/inst-kiconthemes.nsi
index b81010ba..cdcb1e6c 100644
--- a/src/inst-kiconthemes.nsi
+++ b/src/inst-kiconthemes.nsi
@@ -1,35 +1,36 @@
 # Copyright (C) 2015 Intevation GmbH
 #
 # This file is part of GPG4Win.
 #
 # GPG4Win is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
 # GPG4Win is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 !ifdef prefix
 !undef prefix
 !endif
 !define prefix ${ipdir}/kiconthemes-${gpg4win_pkg_kiconthemes_version}
 
 !ifdef DEBUG
 Section "kiconthemes" SEC_kiconthemes
 !else
 Section "-kiconthemes" SEC_kiconthemes
 !endif
   SetOutPath "$INSTDIR"
 !ifdef SOURCES
   File "${gpg4win_pkg_kiconthemes}"
 !else
   SetOutPath "$INSTDIR\bin"
   File ${prefix}/bin/libKF6IconThemes.dll
+  File ${prefix}/bin/libKF6IconWidgets.dll
 !endif
 SectionEnd
diff --git a/src/uninst-kiconthemes.nsi b/src/uninst-kiconthemes.nsi
index 53d274fb..52e01dd2 100644
--- a/src/uninst-kiconthemes.nsi
+++ b/src/uninst-kiconthemes.nsi
@@ -1,33 +1,34 @@
 # Copyright (C) 2015 Intevation GmbH
 #
 # This file is part of GPG4Win.
 #
 # GPG4Win is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
 # GPG4Win is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 !ifdef prefix
 !undef prefix
 !endif
 !define prefix ${ipdir}/kiconthemes-${gpg4win_pkg_kiconthemes_version}
 
 ; Uninstaller section.
 Section "-un.kiconthemes"
 !ifdef SOURCES
   Push "${gpg4win_pkg_kiconthemes}"
   Call un.SourceDelete
 !else
   Delete "$INSTDIR\bin\libKF6IconThemes.dll"
+  Delete "$INSTDIR\bin\libKF6IconWidgets.dll"
   RmDir "$INSTDIR\bin"
 
 !endif
 SectionEnd