diff --git a/src/libCom/osi/os/vxWorks/osdSem.c b/src/libCom/osi/os/vxWorks/osdSem.c
index 50bd4ab0e..0f4f6be5d 100644
--- a/src/libCom/osi/os/vxWorks/osdSem.c
+++ b/src/libCom/osi/os/vxWorks/osdSem.c
@@ -57,6 +57,7 @@ semTakeStatus semBinaryTakeTimeout(
     status = semTake((SEM_ID)id,ticks);
     if(status==OK) return(semTakeOK);
     if(errno==S_objLib_OBJ_TIMEOUT) return(semTakeTimeout);
+    if(ticks<=0) return(semTakeTimeout);
     return(semTakeError);
 }