diff --git a/gr-uhd/lib/gr_uhd_usrp_source.cc b/gr-uhd/lib/gr_uhd_usrp_source.cc
index fed8e66..45994bb 100644
--- a/gr-uhd/lib/gr_uhd_usrp_source.cc
+++ b/gr-uhd/lib/gr_uhd_usrp_source.cc
@@ -181,6 +181,11 @@ public:
             //ignore overflows and try work again
             return work(noutput_items, input_items, output_items);
 
+        case uhd::rx_metadata_t::ERROR_CODE_TIMEOUT:
+            //Assume that the user called stop() on the flow graph.
+            //However, a timeout can occur under error conditions.
+            return WORK_DONE;
+
         default:
             std::cout << boost::format(
                 "UHD source block got error code 0x%x"