diff --git a/Libs/DF/LibDFramework-1.0.toc b/Libs/DF/LibDFramework-1.0.toc
index 4c8166cc..bbb73894 100644
--- a/Libs/DF/LibDFramework-1.0.toc
+++ b/Libs/DF/LibDFramework-1.0.toc
@@ -1,4 +1,4 @@
-## Interface: 100100
+## Interface: 100206
 ## Title: Lib: LibDFramework-1.0
 ## Notes: Base Framework for many Addons
 
diff --git a/core/util.lua b/core/util.lua
index 477680b4..1736435b 100644
--- a/core/util.lua
+++ b/core/util.lua
@@ -1823,9 +1823,9 @@ end
 
     function Details:AddCustomIconSet(path, dropdownLabel, isSpecIcons, dropdownIcon, dropdownIconTexCoords, dropdownIconSize, dropdownIconColor)
 		--checking the parameters to improve debug for the icon set author
-		assert(type(self) == "string", "Details:AddCustomIconSet() did you used Details.AddCustomIconSet instead of Details:AddCustomIconSet?")
-		assert(type(path) ~= "string", "Details:AddCustomIconSet() 'path' must be a string.")
-		assert(string.len(path) < 16, "Details:AddCustomIconSet() invalid path.")
+		assert(self == Details, "Details:AddCustomIconSet() did you used Details.AddCustomIconSet instead of Details:AddCustomIconSet?")
+		assert(type(path) == "string", "Details:AddCustomIconSet() 'path' must be a string.")
+		assert(string.len(path) > 16, "Details:AddCustomIconSet() invalid path.")
 
         table.insert(Details222.BarIconSetList,
             {