diff --git a/wrap/gl/tetramesh.h b/wrap/gl/tetramesh.h
index a4859427..4291ecfe 100644
--- a/wrap/gl/tetramesh.h
+++ b/wrap/gl/tetramesh.h
@@ -154,7 +154,7 @@ public:
 	ClipPlane section;
 
 	private:
-	double shrink_factor;
+	ScalarType shrink_factor;
 	
 
 	public: