diff --git a/src/scheduler_fair.go b/src/scheduler_fair.go
index a2d8fdf..7410e2c 100644
--- a/src/scheduler_fair.go
+++ b/src/scheduler_fair.go
@@ -145,7 +145,7 @@ func (scheduler *SchedulerFair) Start() {
 							if queue == bestQueue {
 								continue
 							}
-							if quota.NumberGPU < least {
+							if quota.NumberGPU > 0 && quota.NumberGPU < least {
 								least = quota.NumberGPU
 							}
 						}