diff --git a/dune/istl/bcrsmatrix.hh b/dune/istl/bcrsmatrix.hh
index fb39ba923db35a913d119e9646faeb2007328132..ef755fcfd94e1379ccb6406f099395d5172afb6a 100644
--- a/dune/istl/bcrsmatrix.hh
+++ b/dune/istl/bcrsmatrix.hh
@@ -297,7 +297,7 @@ namespace Dune {
      B.setrowsize(2,1);
      B.setrowsize(1,1);
      // increase row size for row 2
-     B.incrementrowsize(2)
+     B.incrementrowsize(2);
 
      // finalize row setup phase
      B.endrowsizes();