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-rw-r--r--os/ports/GCC/ARMCM3/chcore.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/os/ports/GCC/ARMCM3/chcore.c b/os/ports/GCC/ARMCM3/chcore.c
index 8f99d3dec..a2334dcf7 100644
--- a/os/ports/GCC/ARMCM3/chcore.c
+++ b/os/ports/GCC/ARMCM3/chcore.c
@@ -158,7 +158,7 @@ void PendSVVector(void) {
(otp = currp)->p_ctx.r13 = sp_thd;
(currp = fifo_remove(&rlist.r_queue))->p_state = PRCURR;
chSchReadyI(otp);
-#if CH_USE_ROUNDROBIN
+#if CH_TIME_QUANTUM > 0
/* set the round-robin time quantum */
rlist.r_preempt = CH_TIME_QUANTUM;
#endif