diff --git a/testsuite/Makefile.am b/testsuite/Makefile.am
index c61a8d981569baf721ac893e161f028c879dfb8c..0815ffa14d950dcc2a783ec0b37ed452cc3f3dd1 100644
--- a/testsuite/Makefile.am
+++ b/testsuite/Makefile.am
@@ -16,7 +16,8 @@ M4_FILES = aes-test.m4 arcfour-test.m4 blowfish-test.m4 cast128-test.m4 \
 noinst_PROGRAMS = $(TS_PROGS)
 
 LDADD = testutils.o ../libnettle.a
-EXTRA_DIST = $(M4_FILES) macros.m4 testutils.c testutils.h run-tests
+EXTRA_DIST = $(M4_FILES) macros.m4 testutils.c testutils.h \
+	     run-tests rfc1750.txt
 
 M4FLAGS = -P -s
 # M4FLAGS = -P