diff --git a/istl/paamg/Makefile.am b/istl/paamg/Makefile.am
index 72fced2800173c2d7184f1e5df8405c326499931..0ad6592a799b5e20360ac4c67dec61adeeef8f64 100644
--- a/istl/paamg/Makefile.am
+++ b/istl/paamg/Makefile.am
@@ -4,7 +4,6 @@ paamgdir = $(includedir)/dune/istl/paamg
 paamg_HEADERS = aggregates.hh dependency.hh galerkin.hh graph.hh \
 	indicescoarsener.hh properties.hh globalaggregates.hh \
 	hierarchy.hh pmatrix.hh construction.hh \
-transfer.hh smoother.hh amg.hh
-
+	transfer.hh smoother.hh amg.hh
 
 include $(top_srcdir)/am/global-rules