diff --git a/testsuite/Makefile.in b/testsuite/Makefile.in
index 7b8894515b4770044821510af6541196333ce2bb..90d83616684459bbb683f5497bd634768bee397c 100644
--- a/testsuite/Makefile.in
+++ b/testsuite/Makefile.in
@@ -33,7 +33,8 @@ EXTRA_TARGETS = $(EXTRA_SOURCES:.c=$(EXEEXT))
 
 SOURCES = $(TS_SOURCES) testutils.c
 
-DISTFILES = $(SOURCES) Makefile.in $(TS_SH) run-tests rfc1750.txt testutils.h
+DISTFILES = $(SOURCES) Makefile.in $(TS_SH) run-tests teardown-env \
+	rfc1750.txt testutils.h
 
 all: $(TARGETS) $(EXTRA_TARGETS)