diff --git a/lib/des/Makefile.am b/lib/des/Makefile.am
index eee3dd193..335ff84b7 100644
--- a/lib/des/Makefile.am
+++ b/lib/des/Makefile.am
@@ -138,7 +138,15 @@ test_crypto: test_crypto.in Makefile
 	chmod +x test_crypto.tmp
 	mv test_crypto.tmp test_crypto
 
-CLEANFILES = hcrypto hcrypto-link test_crypto.tmp test_crypto
+CLEANFILES = \
+	crypto-test \
+	crypto-test2 \
+	error \
+	hcrypto \
+	hcrypto-link \
+	test_crypto \
+	test_crypto.tmp \
+	test_crypto.tmp
 
 EXTRA_DIST = \
 	rsakey.der \