diff --git a/trunk/src/com/jpexs/decompiler/flash/gui/FontPanel.java b/trunk/src/com/jpexs/decompiler/flash/gui/FontPanel.java
index f7733fcfc..a6d20ab18 100644
--- a/trunk/src/com/jpexs/decompiler/flash/gui/FontPanel.java
+++ b/trunk/src/com/jpexs/decompiler/flash/gui/FontPanel.java
@@ -56,8 +56,12 @@ public class FontPanel extends javax.swing.JPanel {
             buttonEdit.setVisible(false);
             buttonSave.setVisible(true);
             buttonCancel.setVisible(true);
-            fontIsBoldCheckBox.setEnabled(true);
-            fontIsItalicCheckBox.setEnabled(true);
+            if (fontTag.isBoldEditable()) {
+                fontIsBoldCheckBox.setEnabled(true);
+            }
+            if (fontTag.isItalicEditable()) {
+                fontIsItalicCheckBox.setEnabled(true);
+            }
         } else {
             buttonEdit.setVisible(true);
             buttonSave.setVisible(false);
@@ -544,8 +548,12 @@ public class FontPanel extends javax.swing.JPanel {
     }//GEN-LAST:event_buttonEditActionPerformed
 
     private void buttonSaveActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_buttonSaveActionPerformed
-        fontTag.setBold(fontIsBoldCheckBox.isSelected());
-        fontTag.setItalic(fontIsItalicCheckBox.isSelected());
+        if (fontTag.isBoldEditable()) {
+            fontTag.setBold(fontIsBoldCheckBox.isSelected());
+        }
+        if (fontTag.isItalicEditable()) {
+            fontTag.setItalic(fontIsItalicCheckBox.isSelected());
+        }
         setEditable(false);
     }//GEN-LAST:event_buttonSaveActionPerformed
 
diff --git a/trunk/src/com/jpexs/decompiler/flash/tags/DefineFont2Tag.java b/trunk/src/com/jpexs/decompiler/flash/tags/DefineFont2Tag.java
index 8c90c44c6..2f2a94eb3 100644
--- a/trunk/src/com/jpexs/decompiler/flash/tags/DefineFont2Tag.java
+++ b/trunk/src/com/jpexs/decompiler/flash/tags/DefineFont2Tag.java
@@ -285,6 +285,21 @@ public class DefineFont2Tag extends FontTag {
         return fontFlagsItalic;
     }
 
+    @Override
+    public boolean isSmallEditable() {
+        return true;
+    }
+
+    @Override
+    public boolean isBoldEditable() {
+        return true;
+    }
+
+    @Override
+    public boolean isItalicEditable() {
+        return true;
+    }
+
     @Override
     public void setSmall(boolean value) {
         fontFlagsSmallText = value;
diff --git a/trunk/src/com/jpexs/decompiler/flash/tags/DefineFont3Tag.java b/trunk/src/com/jpexs/decompiler/flash/tags/DefineFont3Tag.java
index e16d4f77c..51297db7c 100644
--- a/trunk/src/com/jpexs/decompiler/flash/tags/DefineFont3Tag.java
+++ b/trunk/src/com/jpexs/decompiler/flash/tags/DefineFont3Tag.java
@@ -272,6 +272,21 @@ public class DefineFont3Tag extends FontTag {
         return fontFlagsItalic;
     }
 
+    @Override
+    public boolean isSmallEditable() {
+        return true;
+    }
+
+    @Override
+    public boolean isBoldEditable() {
+        return true;
+    }
+
+    @Override
+    public boolean isItalicEditable() {
+        return true;
+    }
+
     @Override
     public void setSmall(boolean value) {
         fontFlagsSmallText = value;
diff --git a/trunk/src/com/jpexs/decompiler/flash/tags/DefineFontTag.java b/trunk/src/com/jpexs/decompiler/flash/tags/DefineFontTag.java
index 2d9a1f9ff..c9987c059 100644
--- a/trunk/src/com/jpexs/decompiler/flash/tags/DefineFontTag.java
+++ b/trunk/src/com/jpexs/decompiler/flash/tags/DefineFontTag.java
@@ -203,6 +203,21 @@ public class DefineFontTag extends FontTag {
         return false;
     }
 
+    @Override
+    public boolean isSmallEditable() {
+        return false;
+    }
+
+    @Override
+    public boolean isBoldEditable() {
+        return fontInfo2Tag != null || fontInfoTag != null;
+    }
+
+    @Override
+    public boolean isItalicEditable() {
+        return fontInfo2Tag != null || fontInfoTag != null;
+    }
+
     @Override
     public void setSmall(boolean value) {
     }
diff --git a/trunk/src/com/jpexs/decompiler/flash/tags/base/FontTag.java b/trunk/src/com/jpexs/decompiler/flash/tags/base/FontTag.java
index d2f832ab0..39bd50b12 100644
--- a/trunk/src/com/jpexs/decompiler/flash/tags/base/FontTag.java
+++ b/trunk/src/com/jpexs/decompiler/flash/tags/base/FontTag.java
@@ -75,6 +75,12 @@ public abstract class FontTag extends CharacterTag implements AloneTag, Drawable
 
     public abstract boolean isItalic();
 
+    public abstract boolean isSmallEditable();
+
+    public abstract boolean isBoldEditable();
+
+    public abstract boolean isItalicEditable();
+
     public abstract void setSmall(boolean value);
 
     public abstract void setBold(boolean value);
diff --git a/trunk/src/com/jpexs/decompiler/flash/tags/gfx/DefineCompactedFont.java b/trunk/src/com/jpexs/decompiler/flash/tags/gfx/DefineCompactedFont.java
index d24836c5b..405e28e52 100644
--- a/trunk/src/com/jpexs/decompiler/flash/tags/gfx/DefineCompactedFont.java
+++ b/trunk/src/com/jpexs/decompiler/flash/tags/gfx/DefineCompactedFont.java
@@ -297,6 +297,21 @@ public final class DefineCompactedFont extends FontTag implements DrawableTag {
         return (fonts.get(0).flags & FontType.FF_Italic) == FontType.FF_Italic;
     }
 
+    @Override
+    public boolean isSmallEditable() {
+        return false;
+    }
+
+    @Override
+    public boolean isBoldEditable() {
+        return true;
+    }
+
+    @Override
+    public boolean isItalicEditable() {
+        return true;
+    }
+
     @Override
     public void setSmall(boolean value) {
     }