diff --git a/Makefile.am b/Makefile.am
index b8700a5af4cdfd828738eb472cae6fdc5a92f2d4..2ea47c248c342bbcdd3d5a40f8395ac9b81f108b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -7,7 +7,8 @@ libnettleincludedir = $(includedir)/nettle
 lib_LIBRARIES = libnettle.a
 libnettleinclude_HEADERS = aes.h arcfour.h des.h md5.h sha1.h
 
-libnettle_a_SOURCES = aes.c aes.h arcfour.c arcfour.h des.c des.h \
+libnettle_a_SOURCES = aes.c aes.h arcfour.c arcfour.h blowfish.h blowfish.c \
+		      des.c des.h \
 		      md5.c md5.h sha1.c sha1.h \
 		      serpent.c serpent.h serpent_sboxes.h