diff --git a/tests/libtest/Makefile.am b/tests/libtest/Makefile.am
index 9c0d595076..36d225a6bb 100644
--- a/tests/libtest/Makefile.am
+++ b/tests/libtest/Makefile.am
@@ -51,7 +51,7 @@ INCLUDES = -I$(top_builddir)/include/curl \
 endif
 
 EXTRA_DIST = test75.pl test307.pl test610.pl test613.pl test1013.pl	\
-test1022.pl Makefile.inc
+test1022.pl mk580.pl Makefile.inc
 
 # Dependencies (may need to be overriden)
 LDADD = $(top_builddir)/lib/libcurl.la @CURL_LIBS@