diff --git a/herbstluftwm/autostart b/herbstluftwm/autostart
index b537cde..bf91300 100755
--- a/herbstluftwm/autostart
+++ b/herbstluftwm/autostart
@@ -128,6 +128,7 @@ hc add "6"
 hc add "7"
 hc add "8"
 hc add "9"
+hc add "0"
 hc keybind $Mod-1               use_index 0
 hc keybind $Mod-Shift-1         move_index 0
 hc keybind $Mod-2               use_index 1
@@ -146,6 +147,8 @@ hc keybind $Mod-8               use_index 7
 hc keybind $Mod-Shift-8         move_index 7
 hc keybind $Mod-9               use_index 8
 hc keybind $Mod-Shift-9         move_index 8
+hc keybind $Mod-0               use_index 9
+hc keybind $Mod-Shift-0         move_index 9
 
 
 # cycle through tags
diff --git a/herbstluftwm/hl_panel_content.py b/herbstluftwm/hl_panel_content.py
index ea15a72..15f9859 100755
--- a/herbstluftwm/hl_panel_content.py
+++ b/herbstluftwm/hl_panel_content.py
@@ -67,11 +67,11 @@ def get_color(nr,start,end):
 def guthaben():
         guthaben = ''
         if hl_utils.is_cip():
-                tmp = -1
+                raw = ""
                 with open(hl_utils.hlpath("pracct.log")) as f:
-                        tmp = float(f.read());
-                guthaben = "Druckerguthaben: " + str(tmp) + " Euro"
-                col = get_color(tmp,0,COLOR_BORDER)
+                        raw = f.read();
+                guthaben = "Druckerguthaben: " + raw + " Euro"
+                col = get_color(float(raw),0,COLOR_BORDER)
                 guthaben = color_panel(guthaben,col)
         return guthaben;