diff --git a/tests/Makefile.am b/tests/Makefile.am
index 762fd4ce..af5d70ce 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -3,6 +3,8 @@ MAINTAINERCLEANFILES = Makefile.in
 if WITH_TESTS
 
 TESTS = tests tests2
+TESTS_ENVIRONMENT = \
+	SSL_CERT_FILE=/tmp/coin
 noinst_PROGRAMS = tests perfs tests2