diff --git a/src/include/cppduals/duals/Makefile.am b/src/include/cppduals/duals/Makefile.am
new file mode 100644
index 000000000..406a81365
--- /dev/null
+++ b/src/include/cppduals/duals/Makefile.am
@@ -0,0 +1,6 @@
+## Process this file with automake to produce Makefile.in
+
+noinst_HEADERS = \
+	dual
+
+MAINTAINERCLEANFILES = Makefile.in