diff --git a/McBitFont/Form1.cs b/McBitFont/Form1.cs
index e3cb3ed..3466d6c 100644
--- a/McBitFont/Form1.cs
+++ b/McBitFont/Form1.cs
@@ -136,7 +136,7 @@ namespace McBitFont {
             tsmiCodeShift.Visible = frames.Count > 1;
             CodeShiftToolStripMenuItem.Visible = frames.Count > 1;
 
-
+            CheckForAdd();
         }
 
         [DllImport("user32.dll")]
@@ -863,17 +863,17 @@ namespace McBitFont {
                 tsmiRemoveSymbol.Enabled = false;
             }
             //copyToolStripMenuItem.Enabled = true;
-            if (ff.Equals(frames.First())) {
+            if (frames.Count > 1 && ff.Equals(frames.First())) {
                 removeBeforeToolStripMenuItem.Enabled = false;
                 removeAfterToolStripMenuItem.Enabled = true;
                 tsmiRemoveBefore.Enabled = false;
                 tsmiRemoveAfter.Enabled = true;
-            } else if (ff.Equals(frames.Last())) {
+            } else if (frames.Count > 1 && ff.Equals(frames.Last())) {
                 removeBeforeToolStripMenuItem.Enabled = true;
                 removeAfterToolStripMenuItem.Enabled = false;
                 tsmiRemoveBefore.Enabled = true;
                 tsmiRemoveAfter.Enabled = false;
-            } else {
+            } else if (frames.Count > 1) {
                 removeBeforeToolStripMenuItem.Enabled = true;
                 removeAfterToolStripMenuItem.Enabled = true;
                 tsmiRemoveBefore.Enabled = true;
@@ -1031,9 +1031,9 @@ namespace McBitFont {
                 }
             } else {
                 prependSymbolToolStripMenuItem.Enabled = false;
-                appendSymbolToolStripMenuItem.Enabled = false;
+                appendSymbolToolStripMenuItem.Enabled = true;
                 tsmiPrepensSymbol.Enabled = false;
-                tsmiAppendSymbol.Enabled = false;
+                tsmiAppendSymbol.Enabled = true;
             }
         }
 
diff --git a/TODO.txt b/TODO.txt
index fd91232..5e7f31a 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -2,6 +2,7 @@ Application:
 - Consider migrating to WPF in order to make DPI aware UI
 
 Functionality:
+V Allow to add frames to Single-frame "fonts"
 - Type a string to see the result (test the font)
 - Export image with All characers table