diff --git a/lib/Makefile.am b/lib/Makefile.am
index a5794926..c6bff442 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -8,6 +8,7 @@ libsmb2_la_CPPFLAGS = -I$(abs_top_srcdir)/include \
 
 libsmb2_la_SOURCES = \
 	aes.h \
+	aes_reference.c \
 	aes.c \
 	aes128ccm.h \
 	aes128ccm.c \