diff --git a/include/Makefile.am b/include/Makefile.am
index 327db14..75a88fc 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -16,4 +16,5 @@ noinst_HEADERS = \
 	bmon/module.h \
 	bmon/output.h \
 	bmon/unit.h \
+	bmon/layout.h \
 	bmon/utils.h