diff --git a/fhem/FHEM/23_LUXTRONIK2.pm b/fhem/FHEM/23_LUXTRONIK2.pm
index 1de74827a..a7ccee7f5 100644
--- a/fhem/FHEM/23_LUXTRONIK2.pm
+++ b/fhem/FHEM/23_LUXTRONIK2.pm
@@ -1,7 +1,7 @@
 ###############################################################
 # $Id$Date: $
 #
-#  23_LUXTRONIK2.pm
+#  23_LUXTRONIK2.pm 
 #
 #  (c) 2012,2014 Torsten Poitzsch (torsten poitzsch at gmx . de)
 #  (c) 2012-2013 Jan-Hinrich Fessel (oskar at fessel . org)
diff --git a/fhem/FHEM/59_OPENWEATHER.pm b/fhem/FHEM/59_OPENWEATHER.pm
index 335b539d0..15be5ca45 100644
--- a/fhem/FHEM/59_OPENWEATHER.pm
+++ b/fhem/FHEM/59_OPENWEATHER.pm
@@ -1,7 +1,7 @@
 ###############################################################
 # $Id$
 #
-#  59_OPENWEATHER.pm
+#  59_OPENWEATHER.pm 
 #
 #  (c) 2014 Torsten Poitzsch < torsten . poitzsch at gmx . de >
 #
diff --git a/fhem/FHEM/59_PROPLANTA.pm b/fhem/FHEM/59_PROPLANTA.pm
index f4afffcdd..ea7bbb2a0 100644
--- a/fhem/FHEM/59_PROPLANTA.pm
+++ b/fhem/FHEM/59_PROPLANTA.pm
@@ -1,7 +1,7 @@
 ####################################################################################################
 # $Id$
 #
-#  59_PROPLANTA.pm
+#  59_PROPLANTA.pm 
 #
 #  (c) 2014 Torsten Poitzsch < torsten . poitzsch at gmx . de >
 #  
diff --git a/fhem/FHEM/70_JSONMETER.pm b/fhem/FHEM/70_JSONMETER.pm
index 87054706f..7288a610a 100644
--- a/fhem/FHEM/70_JSONMETER.pm
+++ b/fhem/FHEM/70_JSONMETER.pm
@@ -1,7 +1,7 @@
 ###############################################################
 # $Id$
 #
-#  70_JSONMETER.pm
+#  70_JSONMETER.pm 
 #
 #  (c) 2014 Torsten Poitzsch < torsten . poitzsch at gmx . de >
 #
diff --git a/fhem/FHEM/72_FRITZBOX.pm b/fhem/FHEM/72_FRITZBOX.pm
index 0246ed46f..fb3440782 100644
--- a/fhem/FHEM/72_FRITZBOX.pm
+++ b/fhem/FHEM/72_FRITZBOX.pm
@@ -1602,7 +1602,7 @@ sub FRITZBOX_Readout_Format($$$)
 # return $readout       unless $readout ne "" && $format ne "" ; #Funktioniert nicht bei $format "01"
 
    if ($format eq "01" && $readout ne "1") {
-      $readout = 0;
+      $readout = "0";
    }
    
    return $readout       unless $readout ne "";