diff --git a/debian/changelog b/debian/changelog
index 09ef1bd..b836b28 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,10 +1,10 @@
-thunar-custom-actions (0.0.18) UNRELEASED; urgency=medium
+thunar-custom-actions (0.0.18) unstable; urgency=medium
 
   * add image format conversion action
   * remove useless radiobuttons from PDF conversion action which prevented
     easy orientation selection via (double-)click
 
- -- Yann Büchau <nobodyinperson@gmx.de>  Sun, 18 Jun 2017 14:53:36 +0200
+ -- Yann Büchau <nobodyinperson@gmx.de>  Sun, 18 Jun 2017 15:40:46 +0200
 
 thunar-custom-actions (0.0.17) unstable; urgency=medium
 
diff --git a/locale/de/LC_MESSAGES/thunar-custom-actions.po b/locale/de/LC_MESSAGES/thunar-custom-actions.po
index 5d32279..731e488 100644
--- a/locale/de/LC_MESSAGES/thunar-custom-actions.po
+++ b/locale/de/LC_MESSAGES/thunar-custom-actions.po
@@ -6,8 +6,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2017-06-18 15:17+0200\n"
-"PO-Revision-Date: 2017-06-18 15:07+0200\n"
+"POT-Creation-Date: 2017-06-18 15:59+0200\n"
+"PO-Revision-Date: 2017-06-18 15:59+0200\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: de\n"
@@ -118,6 +118,11 @@ msgstr "Format"
 msgid "Description"
 msgstr "Beschreibung"
 
+#: locale/tmp_only_uca_commands.sh:6
+#, sh-format
+msgid "Select format:"
+msgstr "Format auswählen:"
+
 #: locale/tmp_only_uca_commands.sh:6
 #, sh-format
 msgid "No format selected."
diff --git a/share/thunar-custom-actions/system-uca/images.xml.m4 b/share/thunar-custom-actions/system-uca/images.xml.m4
index 6710e3d..b8c6395 100644
--- a/share/thunar-custom-actions/system-uca/images.xml.m4
+++ b/share/thunar-custom-actions/system-uca/images.xml.m4
@@ -57,6 +57,8 @@ include(tuca.m4)dnl
             --print-column=1 dnl
             --column="TUCA_TRANSLATE(Format)" dnl
             --column="TUCA_TRANSLATE(Description)" dnl
+            --text="TUCA_TRANSLATE(Select format:)" dnl
+            --title="TUCA_TRANSLATE(Format)" dnl
         );dnl
     if test $? -ne 0;then dnl
         exit;dnl user aborted
@@ -81,8 +83,9 @@ include(tuca.m4)dnl
     )</command>
 	<description xml:lang="en">The selected images are converted to a specified format.</description>
 	<description xml:lang="de">Die ausgewählten Bilder werden in ein angegebenes Format umgewandelt.</description>
-	<patterns>*</patterns>
+	<patterns>*.pdf;*.PDF;*</patterns>
 	<image-files/>
+	<other-files/>
 </action>
 <action>
 	<icon>applications-graphics-symbolic</icon>