diff --git a/Makefile.am b/Makefile.am
index f046e0c..38193f2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -37,6 +37,7 @@
 	mem.c		\
 	mtd.c		\
 	net.c		\
+	or1k_atomic.c	\
 	pathtrace.c	\
 	process.c	\
 	ptp.c		\