diff --git a/modules/dresdenwetter/browser.py b/modules/dresdenwetter/browser.py
index c653045f..e17b46d5 100644
--- a/modules/dresdenwetter/browser.py
+++ b/modules/dresdenwetter/browser.py
@@ -28,8 +28,7 @@ __all__ = ['DresdenWetterBrowser']
 class DresdenWetterBrowser(PagesBrowser):
     BASEURL = 'http://www.dresden-wetter.de'
 
-    home =  URL('/Current_Vantage_Pro.htm', StartPage)
-
+    home = URL('/Current_Vantage_Pro.htm', StartPage)
 
     def get_sensors_list(self):
         return self.home.stay_or_go().get_sensors_list()
diff --git a/modules/dresdenwetter/pages.py b/modules/dresdenwetter/pages.py
index f43e1634..3ca6a010 100644
--- a/modules/dresdenwetter/pages.py
+++ b/modules/dresdenwetter/pages.py
@@ -18,7 +18,7 @@
 # along with weboob. If not, see <http://www.gnu.org/licenses/>.
 
 from weboob.tools.browser2.page import HTMLPage, method, ListElement, ItemElement
-from weboob.tools.browser2.filters import CleanText, Env, Regexp, Field
+from weboob.tools.browser2.filters import CleanText, Regexp, Field, Filter
 from weboob.capabilities.gauge import GaugeMeasure, GaugeSensor
 from weboob.capabilities.base import NotAvailable
 
@@ -26,6 +26,23 @@ from weboob.capabilities.base import NotAvailable
 __all__ = ['StartPage']
 
 
+class Split(Filter):
+    def __init__(self, selector, mode):
+        super(Split, self).__init__(selector)
+        self.mode = mode
+
+    def filter(self, txt):
+        if u"Temperatur" in txt:
+            value = txt.split(': ')[1].split(u'°')[0]
+            unit = u'°C'
+        else:
+            value = txt.split(':')[-1].split()[0]
+            unit = txt.split(':')[-1].split()[1]
+            if unit == u"W/m":
+                unit = u"W/m²"
+        return [value, unit][self.mode]
+
+
 class StartPage(HTMLPage):
 
     @method
@@ -39,24 +56,10 @@ class StartPage(HTMLPage):
             obj_id = CleanText(Regexp(Field('name'), '(.*)', "dd-\\1"), " .():")
             obj_gaugeid = u"wetter"
             obj_forecast = NotAvailable
-
-            def split_unit(self, text):
-                if u"Temperatur" in text:
-                    value = text.split(': ')[1].split(u'°')[0]
-                    unit = u'°C'
-                else:
-                    value = text.split(':')[-1].split()[0]
-                    unit = text.split(':')[-1].split(None, 1)[1]
-                return [value, unit]
+            obj_unit = Split(CleanText('.'), 1)
 
             def obj_lastvalue(self):
                 lastvalue = GaugeMeasure()
-                lastvalue.level = float(Env('parse')(self)[0])
+                lastvalue.level = float(Split(CleanText('.'), 0)(self))
                 lastvalue.alarm = NotAvailable
                 return lastvalue
-
-            def obj_unit(self):
-                return Env('parse')(self)[1]
-
-            def parse(self, el):
-                self.env['parse'] = self.split_unit(CleanText(el)(self))
diff --git a/modules/dresdenwetter/test.py b/modules/dresdenwetter/test.py
index 7a8fd01f..44167b7e 100644
--- a/modules/dresdenwetter/test.py
+++ b/modules/dresdenwetter/test.py
@@ -58,4 +58,4 @@ class DresdenWetterTest(BackendTest):
         Test the last sensor return by module"
         """
         sensor = list(self.backend.iter_sensors("wetter", "Globalstrahlung"))
-        assert sensor[0].unit == u"W/m 2"
+        assert sensor[0].unit == u"W/m²"