diff --git a/loaih/__init__.py b/loaih/__init__.py
index 5c6398e..fd94008 100644
--- a/loaih/__init__.py
+++ b/loaih/__init__.py
@@ -28,24 +28,26 @@ class Build(object):
         # Creating a tempfile
         self.builddir = tempfile.mkdtemp()
         self.tarballs = {}
-        self.appname = 'LibreOffice' if not self.query == 'daily' else 'LibreOfficeDev'
+        self.appname = 'LibreOffice' if not self.query == 'daily' and not self.query == 'prerelease' else 'LibreOfficeDev'
         self.version = v.version
         self.url = v.basedirurl
         self.built = False
 
         # Building expected AppImageName
-        languagepart = "."
+        self.languagepart = "."
         if ',' in self.language:
-            languagepart += self.language.replace(',', '-')
+            self.languagepart += self.language.replace(',', '-')
         else:
-            languagepart += self.language
+            self.languagepart += self.language
 
-        self.appimagefilename[u'x86'] = self.appname + '-' + self.version + languagepart + ('.help' if self.offline_help else '') + '-x86.AppImage'
-        self.appimagefilename[u'x86_64'] = self.appname + '-' + v.version + languagepart + ('.help' if self.offline_help else '') + '-x86_64.AppImage'
+        self.appimagefilename[u'x86'] = self.appname + '-' + self.version + self.languagepart + ('.help' if self.offline_help else '') + '-x86.AppImage'
+        self.appimagefilename[u'x86_64'] = self.appname + '-' + v.version + self.languagepart + ('.help' if self.offline_help else '') + '-x86_64.AppImage'
 
 
     def check(self, storage_path):
         """Checking if the requested AppImage has been already built."""
+        self.storage_path += ('/daily' if self.query == 'daily' else '')
+        self.storage_path += ('/prerelease' if self.query == 'prerelease' else '')
         self.storage_path = storage_path + ('/portable' if self.portable else '')
         # Incompatibilities - if portable and updatable are asked together,
         # only portable will be built.
@@ -196,8 +198,13 @@ class Build(object):
 
         # Building app
         if self.updatable:
-            zsync = self.appimagefilename[arch] + '.zsync'
-            subprocess.run("VERSION={version} ./appimagetool -u 'zsync|{zsync}' -v ./{appname}.AppDir/".format(version = appversion, zsync = self.appimagefilename[arch] + '.zsync', appname = self.appname), shell=True)
+            # for the daily build, updatable builds work if the latest one
+            # provide updates.
+            if self.query == 'daily':
+                zsync = self.appname + self.version.split('-')[0] + self.languagepart + ('.help' if self.offline_help else '') + '-' + arch + '.AppImage.zsync'
+            else:
+                zsync = self.appimagefilename[arch] + '.zsync'
+            subprocess.run("VERSION={version} ./appimagetool -u 'zsync|{zsync}' -v ./{appname}.AppDir/".format(version = appversion, zsync = zsync, appname = self.appname), shell=True)
 
         else:
             subprocess.run("VERSION={version} ./appimagetool -v ./{appname}.AppDir/".format(version = appversion, appname = self.appname), shell=True)
diff --git a/loaih/versions.py b/loaih/versions.py
index 7def95d..fa0d972 100644
--- a/loaih/versions.py
+++ b/loaih/versions.py
@@ -8,7 +8,8 @@ from packaging.version import parse as parse_version
 class BuildVersion(object):
     ARCHIVE = "https://downloadarchive.documentfoundation.org/libreoffice/old/"
     RELEASE = "https://download.documentfoundation.org/libreoffice/stable/"
-    DAILY = "https://dev-builds.libreoffice.org/daily/master/Linux-rpm_deb-x86_64@tb87-TDF/current/"
+    DAILY = "https://dev-builds.libreoffice.org/daily/master/Linux-rpm_deb-x86_64@tb87-TDF/"
+    PRERELEASE = "https://dev-builds.libreoffice.org/pre-releases/deb/x86_64/"
 
     def __init__(self, query):
         self.query = query
@@ -45,17 +46,33 @@ class BuildVersion(object):
         basedirurl = {}
         version = ''
         if branch == 'daily':
-            basedirurl = { 'x86_64': BuildVersion.DAILY, 'x86': '-' }
-            version = etree.HTML(urllib.request.urlopen(BuildVersion.DAILY).read()).xpath('//td/a')[1].text.split('_')[1]
+            # The daily builds can be mostly distinguished by the day of build
+            # (official version is constant.
+
+            # The last built version is the next-to-last version [-2] on the page.
+            fulldailypath = etree.HTML(urllib.request.urlopen(BuildVersion.DAILY).read()).xpath('//td/a')[-2].text
+            dailyversion = fulldailypath.split('_')[0].replace('-', '')
+            version 
+            newurl = str.join('/', [ BuildVersion.DAILY, fulldailypath, '' ])
+
+            basedirurl = { u'x86_64': newurl, u'x86': '-' }
+            version = etree.HTML(urllib.request.urlopen(newurl).read()).xpath('//td/a')[1].text.split('_')[1]
+
+            return { 'version': version + '-' + dailyversion, 'basedirurl': basedirurl }
+
+        if branch == 'prerelease':
+            version = etree.HTML(urllib.request.urlopen(BuildVersion.PRERELEASE).read()).xpath('//td/a')[1].text.split('_')[1]
+            basedirurl = { u'x86': '-', u'x86_64': BuildVersion.PRERELEASE }
 
             return { 'version': version, 'basedirurl': basedirurl }
 
+        # Stable releases.
         versions = etree.HTML(urllib.request.urlopen(BuildVersion.RELEASE).read()).xpath('//td/a')
         index = 1
         if branch ==  'still':
-            index = 2
+            index = -2
         elif branch == 'fresh':
-            index = 3
+            index = -1
         version = self.__getlatestrel(versions[index].text.strip('/'))
 
         return { 'version': version, 'basedirurl': self.__getbaseurl(version) }
@@ -67,10 +84,10 @@ class BuildVersion(object):
 
         # x86 binaries are not anymore offered after 6.3.0.
         if parse_version(version) < parse_version('6.3.0'):
-            basedirurl['x86'] = url + 'x86/'
+            basedirurl[u'x86'] = url + 'x86/'
         else:
-            basedirurl['x86'] = '-'
+            basedirurl[u'x86'] = '-'
         
-        basedirurl['x86_64'] = url + 'x86_64/'
+        basedirurl[u'x86_64'] = url + 'x86_64/'
     
         return basedirurl