diff --git a/src/stream_engine.cpp b/src/stream_engine.cpp
index 8d2de8e5c3..2e57ec3c87 100644
--- a/src/stream_engine.cpp
+++ b/src/stream_engine.cpp
@@ -156,6 +156,12 @@ zmq::stream_engine_t::~stream_engine_t ()
         wsa_assert (rc != SOCKET_ERROR);
 #else
         int rc = close (s);
+#ifdef __FreeBSD_kernel__
+        // FreeBSD may return ECONNRESET on close() under load but this is not
+        // an error.
+        if (rc == -1 && errno == ECONNRESET)
+            rc = 0;
+#endif
         errno_assert (rc == 0);
 #endif
         s = retired_fd;
diff --git a/src/thread.cpp b/src/thread.cpp
index 2c044a499c..f5e1165e7a 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -145,6 +145,12 @@ void zmq::thread_t::setSchedulingParameters(int priority_, int schedulingPolicy_
 #endif
 
     rc = pthread_setschedparam(descriptor, policy, &param);
+
+#ifdef __FreeBSD_kernel__
+    // If this feature is unavailable at run-time, don't abort.
+    if(rc == ENOSYS) return;
+#endif
+
     posix_assert (rc);
 #else