diff --git a/gamecore/modules/assets/fonts.lua b/gamecore/modules/assets/fonts.lua
index c527144..a0f052a 100644
--- a/gamecore/modules/assets/fonts.lua
+++ b/gamecore/modules/assets/fonts.lua
@@ -64,6 +64,7 @@ function Font:setAlign(align)
 end
 
 function Font:setFilter(filter)
+  local filter = filter or ""
   self.filter = filter
 end
 
@@ -93,6 +94,14 @@ function Font:getColor()
   return self.color
 end
 
+function Font:getFilter()
+  return self.filter
+end
+
+function Font:haveFilter()
+  return ((self.filter ~= "") and (self.filter ~= nil))
+end
+
 -- DRAW FUNCTIONS
 -- print text using theses functions