diff --git a/fhem/FHEM/00_OWX.pm b/fhem/FHEM/00_OWX.pm
index b42db94f5..c34facc11 100644
--- a/fhem/FHEM/00_OWX.pm
+++ b/fhem/FHEM/00_OWX.pm
@@ -861,7 +861,7 @@ sub OWX_Get($@) {
     
   } else {
     return "OWX: Get with unknown argument $a[1], choose one of ". 
-    join(",", sort keys %gets);
+    join(" ", sort keys %gets);
   }
 }
 
diff --git a/fhem/FHEM/21_OWAD.pm b/fhem/FHEM/21_OWAD.pm
index d2cd7efe7..35145d2de 100644
--- a/fhem/FHEM/21_OWAD.pm
+++ b/fhem/FHEM/21_OWAD.pm
@@ -503,7 +503,7 @@ sub OWAD_Get($@) {
     if(int(@a) != 2);
     
   #-- check argument
-  return "OWAD: Get with unknown argument $a[1], choose one of ".join(",", sort keys %gets)
+  return "OWAD: Get with unknown argument $a[1], choose one of ".join(" ", sort keys %gets)
     if(!defined($gets{$a[1]}));
 
   #-- get id
diff --git a/fhem/FHEM/21_OWCOUNT.pm b/fhem/FHEM/21_OWCOUNT.pm
index a429e330a..117766a5c 100644
--- a/fhem/FHEM/21_OWCOUNT.pm
+++ b/fhem/FHEM/21_OWCOUNT.pm
@@ -530,7 +530,7 @@ sub OWCOUNT_Get($@) {
     if(int(@a) < 2);
     
   #-- check argument
-  return "OWCOUNT: Get with unknown argument $a[1], choose one of ".join(",", sort keys %gets)
+  return "OWCOUNT: Get with unknown argument $a[1], choose one of ".join(" ", sort keys %gets)
     if(!defined($gets{$a[1]}));
 
   #-- get id
diff --git a/fhem/FHEM/21_OWID.pm b/fhem/FHEM/21_OWID.pm
index 2b2bf74a4..12bc95823 100644
--- a/fhem/FHEM/21_OWID.pm
+++ b/fhem/FHEM/21_OWID.pm
@@ -218,7 +218,7 @@ sub OWID_Get($@) {
     if(int(@a) != 2);
     
   #-- check argument
-  return "OWID: Get with unknown argument $a[1], choose one of ".join(",", sort keys %gets)
+  return "OWID: Get with unknown argument $a[1], choose one of ".join(" ", sort keys %gets)
     if(!defined($gets{$a[1]}));
 
   #-- get id
diff --git a/fhem/FHEM/21_OWMULTI.pm b/fhem/FHEM/21_OWMULTI.pm
index 873ddbddd..963071b95 100644
--- a/fhem/FHEM/21_OWMULTI.pm
+++ b/fhem/FHEM/21_OWMULTI.pm
@@ -372,7 +372,7 @@ sub OWMULTI_Get($@) {
     if(int(@a) != 2);
     
   #-- check argument
-  return "OWMULTI: Get with unknown argument $a[1], choose one of ".join(",", sort keys %gets)
+  return "OWMULTI: Get with unknown argument $a[1], choose one of ".join(" ", sort keys %gets)
     if(!defined($gets{$a[1]}));
   
   #-- get id
diff --git a/fhem/FHEM/21_OWSWITCH.pm b/fhem/FHEM/21_OWSWITCH.pm
index 838e7438b..c87eb062e 100644
--- a/fhem/FHEM/21_OWSWITCH.pm
+++ b/fhem/FHEM/21_OWSWITCH.pm
@@ -374,7 +374,7 @@ sub OWSWITCH_Get($@) {
     if(int(@a) < 2);
     
   #-- check argument
-  return "OWSWITCH: Get with unknown argument $a[1], choose one of ".join(",", sort keys %gets)
+  return "OWSWITCH: Get with unknown argument $a[1], choose one of ".join(" ", sort keys %gets)
     if(!defined($gets{$a[1]}));
 
   #-- get id
diff --git a/fhem/FHEM/21_OWTHERM.pm b/fhem/FHEM/21_OWTHERM.pm
index 12bc27c8d..ef520a9f3 100755
--- a/fhem/FHEM/21_OWTHERM.pm
+++ b/fhem/FHEM/21_OWTHERM.pm
@@ -368,7 +368,7 @@ sub OWTHERM_Get($@) {
     if(int(@a) != 2);
     
   #-- check argument
-  return "OWTHERM: Get with unknown argument $a[1], choose one of ".join(",", sort keys %gets)
+  return "OWTHERM: Get with unknown argument $a[1], choose one of ".join(" ", sort keys %gets)
     if(!defined($gets{$a[1]}));
   
   #-- get id