diff --git a/src/handler.py b/src/handler.py
index 70dcea9..f3e2cc3 100644
--- a/src/handler.py
+++ b/src/handler.py
@@ -65,7 +65,7 @@ llm.engine._log_system_stats = lambda x, y: vllm_log_system_stats(
 
 def concurrency_controller() -> int:
     global TOTAL_RUNNING_JOBS
-    return min(0, MAX_CONCURRENCY - TOTAL_RUNNING_JOBS)
+    return max(0, MAX_CONCURRENCY - TOTAL_RUNNING_JOBS)
 
 
 def prepare_metrics() -> dict: