diff --git a/Modules/_threadmodule.c b/Modules/_threadmodule.c
index 72df78f9cc..45042c0bb8 100644
--- a/Modules/_threadmodule.c
+++ b/Modules/_threadmodule.c
@@ -58,7 +58,7 @@ acquire_timed(PyThread_type_lock lock, _PyTime_t timeout)
         r = PyThread_acquire_lock_timed(lock, 0, 0);
         if (r == PY_LOCK_FAILURE && microseconds != 0) {
             Py_BEGIN_ALLOW_THREADS
-            r = PyThread_acquire_lock_timed(lock, microseconds, 1);
+            r = PyThread_acquire_lock_timed(lock, microseconds, 0);
             Py_END_ALLOW_THREADS
         }
 
diff --git a/Python/thread_pthread.h b/Python/thread_pthread.h
index 0de02d6364..8a572956c1 100644
--- a/Python/thread_pthread.h
+++ b/Python/thread_pthread.h
@@ -351,6 +351,15 @@ PyThread_acquire_lock_timed(PyThread_type_lock lock, PY_TIMEOUT_T microseconds,
         }
 
         if (microseconds > 0) {
+            PyGILState_STATE gil_state = PyGILState_Ensure();
+            int call_res = Py_MakePendingCalls();
+            PyGILState_Release(gil_state);
+
+            if (call_res < 0) {
+                success = PY_LOCK_FAILURE;
+                goto exit;
+            }
+
             /* wait interrupted by a signal (EINTR): recompute the timeout */
             _PyTime_t dt = deadline - _PyTime_GetMonotonicClock();
             if (dt < 0) {