diff --git a/Pose2Sim/poseEstimation.py b/Pose2Sim/poseEstimation.py
index 589c60f..d9ef11d 100644
--- a/Pose2Sim/poseEstimation.py
+++ b/Pose2Sim/poseEstimation.py
@@ -360,7 +360,7 @@ def rtm_estimator(config_dict):
     try:
         import torch
         import onnxruntime as ort
-        if torch.cuda.is_available() == False and 'CUDAExecutionProvider' in ort.get_available_providers():
+        if torch.cuda.is_available() and 'CUDAExecutionProvider' in ort.get_available_providers():
             device = 'cuda'
             backend = 'onnxruntime'
             logging.info(f"\nValid CUDA installation found: using ONNXRuntime backend with GPU.")