diff --git a/Makefile.am b/Makefile.am
index c0ec07b2..6b70c51f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -30,7 +30,9 @@ ell_sources = ell/ell.h ell/private.h \
 			ell/dbus-message.c \
 			ell/dbus-service.h ell/dbus-service.c \
 			ell/gvariant-private.h \
-			ell/gvariant-util.c
+			ell/gvariant-util.c \
+			ell/siphash-private.h \
+			ell/siphash.c
 
 ell_libell_internal_la_SOURCES = $(ell_sources)