diff --git a/src/libCom/osi/os/RTEMS/osdSem.c b/src/libCom/osi/os/RTEMS/osdSem.c
index 84da5bb17..394060d5c 100644
--- a/src/libCom/osi/os/RTEMS/osdSem.c
+++ b/src/libCom/osi/os/RTEMS/osdSem.c
@@ -120,7 +120,7 @@ semBinaryTakeNoWait(semBinaryId id)
     sc = rtems_semaphore_obtain (sid, RTEMS_NO_WAIT, RTEMS_NO_TIMEOUT);
     if (sc == RTEMS_SUCCESSFUL)
         return semTakeOK;
-    else if (sc == RTEMS_TIMEOUT)
+    else if (sc == RTEMS_UNSATISFIED)
         return semTakeTimeout;
     else
         return semTakeError;