diff --git a/istl/Makefile.am b/istl/Makefile.am
index 7c0c03b0512edb004c5a7575eb9fdfd30ad371d6..0c8496993a6553528f4cf59167c327a9cfa6e118 100644
--- a/istl/Makefile.am
+++ b/istl/Makefile.am
@@ -2,7 +2,7 @@
 
 SUBDIRS = . tutorial test paamg
 
-SOURCES = allocator.hh basearray.hh bcrsmatrix.hh bvector.hh gsetc.hh io.hh istlexception.hh istl.hh vbcrsmatrix.hh vbvector.hh ilu.hh operators.hh preconditioners.hh solvers.hh indexset.hh communicator.hh remoteindices.hh mpitraits.hh interface.hh indicessyncer.hh matrixindexset.hh selection.hh
+SOURCES = allocator.hh basearray.hh bcrsmatrix.hh bvector.hh gsetc.hh io.hh istlexception.hh istl.hh vbcrsmatrix.hh vbvector.hh ilu.hh operators.hh preconditioners.hh solvers.hh indexset.hh communicator.hh remoteindices.hh mpitraits.hh interface.hh indicessyncer.hh matrixindexset.hh selection.hh plocalindex.hh
 
 istldir = $(includedir)/dune/istl
 istl_HEADERS = $(SOURCES)