diff --git a/demos/http/http_demo_s3_upload/http_demo_s3_upload.c b/demos/http/http_demo_s3_upload/http_demo_s3_upload.c
index 88f0cbe78a..05aa0b9ec7 100644
--- a/demos/http/http_demo_s3_upload/http_demo_s3_upload.c
+++ b/demos/http/http_demo_s3_upload/http_demo_s3_upload.c
@@ -44,6 +44,9 @@
 /*Include backoff algorithm header for retry logic.*/
 #include "backoff_algorithm.h"
 
+/* Clock for timer. */
+#include "clock.h"
+
 /* Check that TLS port of the server is defined. */
 #ifndef HTTPS_PORT
     #error "Please define a HTTPS_PORT."
@@ -554,6 +557,9 @@ static bool uploadS3ObjectFile( const TransportInterface_t * pTransportInterface
     response.pBuffer = userBuffer;
     response.bufferLen = USER_BUFFER_LENGTH;
 
+    /* Enable use of HTTP_SEND_RETRY_TIMEOUT_MS */
+    response.getTime = Clock_GetTimeMs;
+
     if( httpStatus == HTTPSuccess )
     {
         httpStatus = HTTPClient_InitializeRequestHeaders( &requestHeaders,