diff --git a/src/qpg6105/crypto/common-mbedtls-config.h b/src/qpg6105/crypto/common-mbedtls-config.h
index 1ca84002c..6913c1358 100644
--- a/src/qpg6105/crypto/common-mbedtls-config.h
+++ b/src/qpg6105/crypto/common-mbedtls-config.h
@@ -73,6 +73,8 @@
     OPENTHREAD_CONFIG_COAP_SECURE_API_ENABLE
 #define MBEDTLS_SSL_COOKIE_C
 #define MBEDTLS_SSL_SRV_C
+#elif OPENTHREAD_CONFIG_JOINER_ENABLE
+#define MBEDTLS_SSL_COOKIE_C
 #endif
 
 #if OPENTHREAD_CONFIG_COAP_SECURE_API_ENABLE