diff --git a/src/backend/scheduler.cc b/src/backend/scheduler.cc
index d47057c..7fa3ffb 100644
--- a/src/backend/scheduler.cc
+++ b/src/backend/scheduler.cc
@@ -449,7 +449,7 @@ Scheduler::step_forward(History& history, CPUPolicy& cpu_policy, ResourcePolicy&
     // for this check, since processes' state is based upon threads' one)
     Schedulable::state cur_state = current.get_state();
     if ((cur_state & (Schedulable::state_blocked | Schedulable::state_terminated)) == 0 &&
-        (current.get_process().get_state() != Schedulable::state_terminated)) // check for holes
+        (current.get_process().get_state() & (Schedulable::state_terminated | Schedulable::state_blocked)) == 0) // check for holes
       {
         alive_threads++;
       }