diff --git a/lib/des/Makefile.am b/lib/des/Makefile.am
index 864900530..1bd0f8208 100644
--- a/lib/des/Makefile.am
+++ b/lib/des/Makefile.am
@@ -138,7 +138,7 @@ test_crypto: test_crypto.in Makefile
 	chmod +x test_crypto.tmp
 	mv test_crypto.tmp test_crypto
 
-CLEANFILES = hcrypto hcrypto-link test_crypto.tmp
+CLEANFILES = hcrypto hcrypto-link test_crypto.tmp test_crypto
 
 EXTRA_DIST = \
 	rsakey.der \