diff --git a/src/Mod/Arch/ArchBuilding.py b/src/Mod/Arch/ArchBuilding.py
index 59e731259..13547cb71 100644
--- a/src/Mod/Arch/ArchBuilding.py
+++ b/src/Mod/Arch/ArchBuilding.py
@@ -1,3 +1,5 @@
+# -*- coding: utf8 -*-
+
 #***************************************************************************
 #*                                                                         *
 #*   Copyright (c) 2011                                                    *
@@ -214,15 +216,15 @@ class _CommandBuilding:
                 else:
                     warning = True
         if warning :
-            message = "You can put anything but Site and Building object in a Building object.\n\
+            message = translate( "Arch" , "You can put anything but Site and Building object in a Building object.\n\
 Building object are not allowed to accept Site and Building object.\n\
 Site and Building objects will be removed from the selection.\n\
-You can change that in the preferences.\n"
-            self.printMessage( message )
+You can change that in the preferences.\n" )
+            ArchCommands.printMessage( message )
         if sel and len(buildingobj) == 0:
-            message = "There is no valid object in the selection.\n\
-Building creation aborted.\n"
-            self.printMessage( message )
+            message = translate( "Arch" , "There is no valid object in the selection.\n\
+Building creation aborted.\n" )
+            ArchCommands.printMessage( message )
         else :
             ss = "[ "
             for o in buildingobj:
@@ -234,11 +236,6 @@ Building creation aborted.\n"
             FreeCAD.ActiveDocument.commitTransaction()
             FreeCAD.ActiveDocument.recompute()
 
-    def printMessage(self, message):
-        FreeCAD.Console.PrintMessage(translate("Arch", message))
-        if FreeCAD.GuiUp :
-            reply = QtGui.QMessageBox.information(None,"", message)
-
 class _Building(ArchFloor._Floor):
     "The Building object"
     def __init__(self,obj):
diff --git a/src/Mod/Arch/ArchCommands.py b/src/Mod/Arch/ArchCommands.py
index 6b31bead5..77c5f3f04 100644
--- a/src/Mod/Arch/ArchCommands.py
+++ b/src/Mod/Arch/ArchCommands.py
@@ -937,6 +937,16 @@ def getExtrusionData(shape):
             return [faces[p[0]][0],faces[p[1]][0].CenterOfMass.sub(faces[p[0]][0].CenterOfMass)]
     return None
 
+def printMessage( message ):
+    FreeCAD.Console.PrintMessage( message )
+    if FreeCAD.GuiUp :
+        reply = QtGui.QMessageBox.information( None , "" , message.decode('utf8') )
+
+def printWarning( message ):
+    FreeCAD.Console.PrintMessage( message )
+    if FreeCAD.GuiUp :
+        reply = QtGui.QMessageBox.warning( None , "" , message.decode('utf8') )
+
 
 # command definitions ###############################################
 
diff --git a/src/Mod/Arch/ArchFloor.py b/src/Mod/Arch/ArchFloor.py
index 1c41b59eb..156f44084 100644
--- a/src/Mod/Arch/ArchFloor.py
+++ b/src/Mod/Arch/ArchFloor.py
@@ -1,3 +1,5 @@
+# -*- coding: utf8 -*-
+
 #***************************************************************************
 #*                                                                         *
 #*   Copyright (c) 2011                                                    *
@@ -72,15 +74,15 @@ class _CommandFloor:
                 else:
                     warning = True
         if warning :
-            message = "You can put anything but Site, Building, Floor object in a Floor object.\n\
+            message = translate( "Arch" , "You can put anything but Site, Building, Floor object in a Floor object.\n\
 Floor object are not allowed to accept Site or Building object.\n\
 Site, Building and Floor objects will be removed from the selection.\n\
-You can change that in the preferences.\n"
-            self.printMessage( message )
+You can change that in the preferences.\n" )
+            ArchCommands.printMessage( message )
         if sel and len(floorobj) == 0:
-            message = "There is no valid object in the selection.\n\
-Floor creation aborted.\n"
-            self.printMessage( message )
+            message = translate( "Arch" , "There is no valid object in the selection.\n\
+Floor creation aborted.\n" )
+            ArchCommands.printMessage( message )
         else :
             ss = "[ "
             for o in floorobj:
@@ -92,11 +94,6 @@ Floor creation aborted.\n"
             FreeCAD.ActiveDocument.commitTransaction()
             FreeCAD.ActiveDocument.recompute()
 
-    def printMessage(self, message):
-        FreeCAD.Console.PrintMessage(translate("Arch", message))
-        if FreeCAD.GuiUp :
-            reply = QtGui.QMessageBox.information(None,"", message)
-
 class _Floor:
     "The Floor object"
     def __init__(self,obj):
diff --git a/src/Mod/Arch/ArchSite.py b/src/Mod/Arch/ArchSite.py
index e6a673732..1c1312a48 100644
--- a/src/Mod/Arch/ArchSite.py
+++ b/src/Mod/Arch/ArchSite.py
@@ -1,3 +1,5 @@
+# -*- coding: utf8 -*-
+
 #***************************************************************************
 #*                                                                         *
 #*   Copyright (c) 2011                                                    *
@@ -74,15 +76,15 @@ class _CommandSite:
                 else:
                     warning = True
         if warning :
-            message = "Please select only Building objects or nothing!\n\
+            message = translate( "Arch" ,  "Please select only Building objects or nothing!\n\
 Site are not allowed to accept other object than Building.\n\
 Other objects will be removed from the selection.\n\
-You can change that in the preferences."
-            self.printMessage( message )
+You can change that in the preferences." )
+            ArchCommands.printMessage( message )
         if sel and len(siteobj) == 0:
-            message = "There is no valid object in the selection.\n\
-Site creation aborted."
-            self.printMessage( message )
+            message = translate( "Arch" ,  "There is no valid object in the selection.\n\
+Site creation aborted." )
+            ArchCommands.printMessage( message )
         else :
             ss = "[ "
             for o in siteobj:
@@ -94,11 +96,6 @@ Site creation aborted."
             FreeCAD.ActiveDocument.commitTransaction()
             FreeCAD.ActiveDocument.recompute()
 
-    def printMessage(self, message):
-        FreeCAD.Console.PrintMessage(translate("Arch", message))
-        if FreeCAD.GuiUp :
-            reply = QtGui.QMessageBox.information(None,"", message)
-
 class _Site(ArchFloor._Floor):
     "The Site object"
     def __init__(self,obj):