diff --git a/app/dock-single.py b/app/dock-single.py
index 281cad3..79337cf 100644
--- a/app/dock-single.py
+++ b/app/dock-single.py
@@ -244,7 +244,7 @@ with tempfile.TemporaryDirectory() as directory:
 	get3DModel(pdbpath,"%s_out.pdbqt"%(records[4]))
 	os.system("collada2gltf -i model.dae -o model.gltf")
 	copyfile("model.gltf",os.path.join(modelDirectory,(str(jobID)+".gltf")))
-	os.system("docker run -it --rm -v $(PWD):/usr/app leon/usd-from-gltf:latest model.gltf model.usdz")
+	os.system("docker run -it --rm -v $(pwd):/usr/app leon/usd-from-gltf:latest model.gltf model.usdz")
 	copyfile("model.usdz",os.path.join(modelDirectory,(str(jobID)+".usdz")))
 	#copy(("Curie_Web_Result_"+str(jobID)),f)
 	email(zi)