diff --git a/dune/gfe/Makefile.am b/dune/gfe/Makefile.am
index d8e427aa627ae8e8d6d35d858b3406b186aef3f0..5fd2dac2c1f4f03280596ab01b6555cd60003201 100644
--- a/dune/gfe/Makefile.am
+++ b/dune/gfe/Makefile.am
@@ -16,6 +16,7 @@ srcinclude_HEADERS = averagedistanceassembler.hh \
                      makestraightrod.hh \
                      maxnormtrustregion.hh \
                      quaternion.hh \
+                     realtuple.hh \
                      riemanniantrsolver.hh \
                      rigidbodymotion.hh \
                      rodassembler.hh \
@@ -23,6 +24,8 @@ srcinclude_HEADERS = averagedistanceassembler.hh \
                      rodwriter.hh \
                      rotation.hh \
                      svd.hh \
-                     targetspacertrsolver.hh
+                     targetspacertrsolver.hh \
+                     tensor3.hh \
+                     unitvector.hh
 
 include $(top_srcdir)/am/global-rules