diff --git a/src/osgText/TextBase.cpp b/src/osgText/TextBase.cpp
index 3ec468510..3237beeac 100644
--- a/src/osgText/TextBase.cpp
+++ b/src/osgText/TextBase.cpp
@@ -147,7 +147,7 @@ void TextBase::setAlignment(AlignmentType alignment)
     if (_alignment==alignment) return;
     
     _alignment = alignment;
-    computePositions();
+    computeGlyphRepresentation();
 }
 
 void TextBase::setAxisAlignment(AxisAlignment axis)