diff --git a/bssl_perf/Makefile b/bssl_perf/Makefile
index 709a086..70a14c0 100644
--- a/bssl_perf/Makefile
+++ b/bssl_perf/Makefile
@@ -9,7 +9,7 @@ DBG    ?= 0
 ifeq ($(DBG),1)
 DEBUG = -DDEBUG -g -O0
 else
-DEBUG = -O3
+DEBUG = -O3 -g
 endif
 
 CFLAGS = -std=c99
diff --git a/bssl_perf/src/client.c b/bssl_perf/src/client.c
index 2f98771..5eacadf 100644
--- a/bssl_perf/src/client.c
+++ b/bssl_perf/src/client.c
@@ -30,6 +30,7 @@ SSL_CTX *setup_client_ctx(const char* curves)
         ERR("Enforcing protocol to TLSv1.2");
     }
 
+    SSL_CTX_enable_pq_experiment_signal(ctx);
     return ctx;
 }
 
@@ -76,6 +77,7 @@ void test_Handshake(const char* IP, const char* curves, size_t handshake_nb) {
         if (err<=0) {
             ERR("Error connecting SSL err=%d", err);
         }
+        //printf("Signal seen: %X\n", SSL_pq_experiment_signal_seen(ssl));
         assert(!SSL_session_reused(ssl));
         assert(SSL_shutdown(ssl) == 0);
         assert(SSL_shutdown(ssl) == 1);
diff --git a/bssl_perf/src/server.c b/bssl_perf/src/server.c
index f2645ad..e7c993c 100644
--- a/bssl_perf/src/server.c
+++ b/bssl_perf/src/server.c
@@ -201,6 +201,7 @@ int main(int argc, char *argv[])
     init();
 
     ctx = setup_server_ctx(argv[1]);
+    SSL_CTX_enable_pq_experiment_signal(ctx);
 	fd = accept_once();
 
 	for(;;) {
@@ -210,7 +211,6 @@ int main(int argc, char *argv[])
 			DBG("Error creating SSL context");
 		}
 
-
 		SSL_set_fd(ssl, fd);
         ret = SSL_accept(ssl);
 		if (ret<=0)	{