Index: source/headers/geos/operation/buffer/BufferOp.h
===================================================================
--- source/headers/geos/operation/buffer/BufferOp.h	(revision 2604)
+++ source/headers/geos/operation/buffer/BufferOp.h	(working copy)
@@ -136,7 +136,7 @@
 
 		/// Specifies a square line buffer end cap style.
 		/// @deprecated use BufferParameters
-		CAP_SQUARE = BufferParameters::CAP_FLAT
+		CAP_SQUARE = BufferParameters::CAP_SQUARE
 	};
 
 	/**