diff --git a/comp/src/gb.form/.project b/comp/src/gb.form/.project
index c73c3b8ac..5de68161e 100644
--- a/comp/src/gb.form/.project
+++ b/comp/src/gb.form/.project
@@ -1,6 +1,6 @@
 # Gambas Project File 3.0
 Title=More controls for graphical components
-Startup=FTestValueBox
+Startup=FTestMaskBox
 Icon=.hidden/icon.png
 Version=3.16.90
 VersionFile=1
@@ -10,7 +10,7 @@ Component=gb.form
 Component=gb.settings
 Component=gb.form.stock
 Authors="Benoît Minisini"
-Environment="GB_GUI=gb.qt5\n GB_STOCK_DEBUG=1\n LANG=zh_CN.UTF-8\n LC_ALL=en_US.UTF-8\n LC_ALL=zh_CN.UTF-8\n GTK_DEBUG=interactive"
+Environment="GB_GUI=gb.gtk3\n GB_STOCK_DEBUG=1\n LANG=zh_CN.UTF-8\n LC_ALL=en_US.UTF-8\n LC_ALL=zh_CN.UTF-8\n GTK_DEBUG=interactive"
 TabSize=2
 Translate=1
 Language=en
diff --git a/comp/src/gb.form/.src/ListEditor/FListEditor.class b/comp/src/gb.form/.src/ListEditor/FListEditor.class
index 3556e036d..9fc424694 100644
--- a/comp/src/gb.form/.src/ListEditor/FListEditor.class
+++ b/comp/src/gb.form/.src/ListEditor/FListEditor.class
@@ -298,7 +298,7 @@ Private Sub CheckUnique()
 
   I = 1
   While I < lstData.Count
-    iPos = lstData.Find(lstData[I])
+    iPos = lstData.Find(lstData[I].Text)
     If iPos <> I Then
       lstData.Remove(I)
     Else
diff --git a/comp/src/gb.form/.src/ListEditor/ListEditor.class b/comp/src/gb.form/.src/ListEditor/ListEditor.class
index 1c27677a8..e29bedf4e 100644
--- a/comp/src/gb.form/.src/ListEditor/ListEditor.class
+++ b/comp/src/gb.form/.src/ListEditor/ListEditor.class
@@ -18,7 +18,7 @@ Property Read Editor As Control
 
 '' Return or set if duplicates are allowed in the list.
 ''
-'' By default, this property is 'FALSE' and duplicate are allowed.
+'' By default, this property is 'FALSE' and duplicates are allowed.
 Property Unique As Boolean
 
 '' Return or set the index of the current item.
diff --git a/comp/src/gb.form/.src/Test/FTestListEditor.class b/comp/src/gb.form/.src/Test/FTestListEditor.class
index d1a0767db..e887a34b6 100644
--- a/comp/src/gb.form/.src/Test/FTestListEditor.class
+++ b/comp/src/gb.form/.src/Test/FTestListEditor.class
@@ -6,3 +6,9 @@ Public Sub ListEditor1_Select()
   Debug
 
 End
+
+Public Sub Form_Open()
+
+  ListEditor1.Index = 20
+
+End
diff --git a/comp/src/gb.form/.src/Test/FTestListEditor.form b/comp/src/gb.form/.src/Test/FTestListEditor.form
index 63bdac1ae..33be7748b 100644
--- a/comp/src/gb.form/.src/Test/FTestListEditor.form
+++ b/comp/src/gb.form/.src/Test/FTestListEditor.form
@@ -4,6 +4,7 @@
   MoveScaled(0,0,64,64)
   { ListEditor1 ListEditor
     MoveScaled(5,6,48,34)
+    List = [("Élément 1"), ("Élément 2"), ("Élément 3"), ("Élément 4"), ("Élément 5")]
     Unique = True
   }
 }
diff --git a/comp/src/gb.form/.src/Test/FTestMaskBox.class b/comp/src/gb.form/.src/Test/FTestMaskBox.class
index e10096aaf..abd5da9bd 100644
--- a/comp/src/gb.form/.src/Test/FTestMaskBox.class
+++ b/comp/src/gb.form/.src/Test/FTestMaskBox.class
@@ -13,28 +13,28 @@ Public Sub Button1_Click()
 
 End
 
-Public Sub MaskBox1_Validate()
-
-  Dim aAdr As String[]
-  Dim I As Integer
-  Dim sAdr As String
-  Dim iAdr As Integer
-  Dim bValid As Boolean
-
-  aAdr = Split(Last.Text, ".")
-  If aAdr.Count = 4 Then
-    For I = 0 To aAdr.Max
-      bValid = False
-      sAdr = Trim(aAdr[I])
-      If sAdr Then 
-        Try iAdr = CInt(sAdr)
-        If Error Then Break
-        If iAdr < 0 Or If iAdr > 255 Then Break
-      Endif
-      bValid = True
-    Next
-  Endif
-
-  If Not bValid Then Stop Event
-
-End
+' Public Sub MaskBox1_Validate()
+' 
+'   Dim aAdr As String[]
+'   Dim I As Integer
+'   Dim sAdr As String
+'   Dim iAdr As Integer
+'   Dim bValid As Boolean
+' 
+'   aAdr = Split(Last.Text, ".")
+'   If aAdr.Count = 4 Then
+'     For I = 0 To aAdr.Max
+'       bValid = False
+'       sAdr = Trim(aAdr[I])
+'       If sAdr Then 
+'         Try iAdr = CInt(sAdr)
+'         If Error Then Break
+'         If iAdr < 0 Or If iAdr > 255 Then Break
+'       Endif
+'       bValid = True
+'     Next
+'   Endif
+' 
+'   If Not bValid Then Stop Event
+' 
+' End
diff --git a/comp/src/gb.form/.src/Test/FTestMaskBox.form b/comp/src/gb.form/.src/Test/FTestMaskBox.form
index 570b8c58b..36cf0f641 100644
--- a/comp/src/gb.form/.src/Test/FTestMaskBox.form
+++ b/comp/src/gb.form/.src/Test/FTestMaskBox.form
@@ -8,7 +8,6 @@
   }
   { MaskBox1 MaskBox
     MoveScaled(13,34,24,4)
-    Mask = "###<.###<.###<.###<"
-    Prompt = MaskBox.Bracket
+    Mask = "####0<!.0000"
   }
 }