diff --git a/include/boost/fiber/fiber_context.hpp b/include/boost/fiber/fiber_context.hpp
index 16917d11..2137137f 100644
--- a/include/boost/fiber/fiber_context.hpp
+++ b/include/boost/fiber/fiber_context.hpp
@@ -331,7 +331,7 @@ public:
     void resume() {
         BOOST_ASSERT( is_running() ); // set by the scheduler-algorithm
 
-        ctx_.resume();
+        ctx_();
     }
 
     std::chrono::high_resolution_clock::time_point const& time_point() const noexcept {
diff --git a/src/round_robin.cpp b/src/round_robin.cpp
index a49a2d23..6cee13d3 100644
--- a/src/round_robin.cpp
+++ b/src/round_robin.cpp
@@ -36,7 +36,7 @@ round_robin::pick_next() {
 
 std::size_t
 round_robin::ready_fibers() const noexcept {
-    return rqueue_.empty();
+    return rqueue_.size();
 }
 
 }}