diff --git a/refacer.py b/refacer.py
index 8f54eb0..b241b82 100644
--- a/refacer.py
+++ b/refacer.py
@@ -61,7 +61,7 @@ class Refacer:
             print(f"CoreML mode with providers {self.providers}")
         elif 'CUDAExecutionProvider' in self.providers:
             self.mode = RefacerMode.CUDA
-            self.use_num_cpus = 1
+            self.use_num_cpus = 2
             self.sess_options.intra_op_num_threads = 1
             if 'TensorrtExecutionProvider' in self.providers:
                 self.providers.remove('TensorrtExecutionProvider')