diff --git a/apps/s_client.c b/apps/s_client.c
index 10ea1f1167..6ec792cee1 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -2474,6 +2474,7 @@ int s_client_main(int argc, char **argv)
 #ifndef OPENSSL_NO_SRP
     OPENSSL_free(srp_arg.srppassin);
 #endif
+    OPENSSL_free(connectstr);
     OPENSSL_free(host);
     OPENSSL_free(port);
     X509_VERIFY_PARAM_free(vpm);