--- a/QScintilla/QsciScintillaCompat.py	Thu Mar 10 17:40:11 2011 +0100
+++ b/QScintilla/QsciScintillaCompat.py	Thu Mar 10 19:07:05 2011 +0100
@@ -752,6 +752,11 @@
         
         self.SendScintilla(QsciScintilla.SCI_INDICSETSTYLE, indicator, style)
         self.SendScintilla(QsciScintilla.SCI_INDICSETFORE, indicator, color)
+        try:
+            self.SendScintilla(QsciScintilla.SCI_INDICSETALPHA, indicator,
+                               color.alpha())
+        except AttributeError:
+            pass
     
     def setCurrentIndicator(self, indicator):
         """