diff --git a/examples/pybullet/gym/pybullet_data/data/motions/laikago_walk.json b/examples/pybullet/gym/pybullet_data/data/motions/laikago_walk.txt
similarity index 100%
rename from examples/pybullet/gym/pybullet_data/data/motions/laikago_walk.json
rename to examples/pybullet/gym/pybullet_data/data/motions/laikago_walk.txt
diff --git a/examples/pybullet/gym/pybullet_envs/deep_mimic/env/testLaikago.py b/examples/pybullet/gym/pybullet_envs/deep_mimic/env/testLaikago.py
index 1ad8972ed..c7543639f 100644
--- a/examples/pybullet/gym/pybullet_envs/deep_mimic/env/testLaikago.py
+++ b/examples/pybullet/gym/pybullet_envs/deep_mimic/env/testLaikago.py
@@ -116,7 +116,7 @@ joints=[]
 
 mocapData = motion_capture_data.MotionCaptureData()
 
-motionPath = pybullet_data.getDataPath()+"/data/motions/laikago_walk.json"
+motionPath = pybullet_data.getDataPath()+"/data/motions/laikago_walk.txt"
 
 mocapData.Load(motionPath)
 print("mocapData.NumFrames=",mocapData.NumFrames())