diff --git a/ChangeLog b/ChangeLog
index 7d4e6a45a81d46603afaa2cf62976f0435420530..1d42f701eaec019e68dfa99c2b3d983ce446ebc5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2020-09-15  Niels Möller  <nisse@obsidian>
+
+	* Makefile.in (DISTFILES): Add missing file blowfish-internal.h.
+
 2020-09-14  Niels Möller  <nisse@obsidian>
 
 	* asm.m4: Delete use of changequote, stick to the m4 default
diff --git a/Makefile.in b/Makefile.in
index 19f5e4299cb922819dbd5310f34540b01c212f81..4260b7240b4bb3771fca04eef246e867a1f51a68 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -258,7 +258,7 @@ DISTFILES = $(SOURCES) $(HEADERS) getopt.h getopt_int.h \
 	INSTALL NEWS ChangeLog \
 	nettle.pc.in hogweed.pc.in \
 	desdata.stamp $(des_headers) descore.README \
-	aes-internal.h block-internal.h camellia-internal.h \
+	aes-internal.h block-internal.h blowfish-internal.h camellia-internal.h \
 	gost28147-internal.h poly1305-internal.h serpent-internal.h \
 	cast128_sboxes.h desinfo.h desCode.h \
 	ripemd160-internal.h sha2-internal.h \