diff --git a/src/er-coap-13/er-coap-13.h b/src/er-coap-13/er-coap-13.h
index a3220e3..d1aafc0 100644
--- a/src/er-coap-13/er-coap-13.h
+++ b/src/er-coap-13/er-coap-13.h
@@ -58,7 +58,7 @@ extern "C" {
 #endif
 
 #define COAP_DEFAULT_MAX_AGE                 60
-#define COAP_RESPONSE_TIMEOUT                2
+#define COAP_RESPONSE_TIMEOUT                20
 #define COAP_MAX_RETRANSMIT                  4
 #define COAP_ACK_RANDOM_FACTOR               1.5
 #define COAP_MAX_LATENCY                     100