diff --git a/picoquicfirst/picoquicdemo.c b/picoquicfirst/picoquicdemo.c
index a75ecab4dca8213fbbdc0d34015e1c831aa8e42a..eec66aa53253c08269881767498871bcdf2f3961 100644
--- a/picoquicfirst/picoquicdemo.c
+++ b/picoquicfirst/picoquicdemo.c
@@ -88,8 +88,8 @@
 #define WSA_LAST_ERROR(x) ((long)(x))
 #endif
 
-#define SERVER_CERT_FILE = "certs/cert.pem"
-#define SERVER_KEY_FILE = "certs/key.pem"
+#define SERVER_CERT_FILE "certs/cert.pem"
+#define SERVER_KEY_FILE "certs/key.pem"
 
 #endif