diff --git a/herbstluftwm/autostart b/herbstluftwm/autostart
index 6309914..5b93ef1 100755
--- a/herbstluftwm/autostart
+++ b/herbstluftwm/autostart
@@ -129,6 +129,7 @@ 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
@@ -147,6 +148,8 @@ 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 cd9d31f..15f9859 100755
--- a/herbstluftwm/hl_panel_content.py
+++ b/herbstluftwm/hl_panel_content.py
@@ -27,8 +27,10 @@ def color_panel(s,hex_code,seper=True):
 def get_color(nr,start,end):
         if nr == 88:
                 return hex(GREEN)
-        if end == start or nr >= end:
+        elif end == start or nr >= end:
                 return hex(GREEN)
+        elif nr <= 0:
+                return hex(RED)
         else:
                 r,g,b = 0,0,0
                 interval = 256 + 256
@@ -65,11 +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;
 
diff --git a/zshrc b/zshrc
index 77800e8..c3d33c9 100644
--- a/zshrc
+++ b/zshrc
@@ -264,3 +264,10 @@ source ~/.config/other/zsh-history-substring-search.zsh
 bindkey '^[[5~' history-substring-search-up
 bindkey '^[[6~' history-substring-search-down
 alias genserverkey='openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 100000'
+if [[ $FIRST_RUN == "FALSE" ]]; then
+    ;
+else
+    FIRST_RUN="FALSE"
+    export FIRST_RUN
+    exec zsh
+fi