diff --git a/grid/onedgrid/Makefile.am b/grid/onedgrid/Makefile.am
index 026390322f4f3dedab973a669058e6d65b0e7ab0..62e8aa46486963a628956a9ea8bce7a3e9bfcba5 100644
--- a/grid/onedgrid/Makefile.am
+++ b/grid/onedgrid/Makefile.am
@@ -6,7 +6,7 @@ libonedgrid_la_SOURCES = onedgrid.cc
 libonedgrid_la_CXXFLAGS = -DDUNE_EXPRESSIONTEMPLATES
 
 onedgriddir = $(includedir)/dune/grid/onedgrid/
-onedgrid_HEADERS = onedgridentity.cc \
+onedgrid_HEADERS = \
    onedgridgeometry.hh onedgridentity.hh onedgridhieriterator.hh \
    onedgridleveliterator.hh onedintersectionit.hh onedgridentitypointer.hh \
    onedgridindexsets.hh onedgridleafiterator.hh