diff --git a/ts_scripts/install_dependencies.py b/ts_scripts/install_dependencies.py
index ff9ae4c25e..3296844482 100644
--- a/ts_scripts/install_dependencies.py
+++ b/ts_scripts/install_dependencies.py
@@ -131,7 +131,7 @@ def install_python_packages(self, cuda_version, requirements_file_path, nightly)
         if nightly:
             pt_nightly = "cpu" if not cuda_version else cuda_version
             os.system(
-                f"pip3 install numpy --pre torch torchvision torchtext torchaudio --force-reinstall --extra-index-url https://download.pytorch.org/whl/nightly/{pt_nightly}"
+                f"pip3 install numpy --pre torch torchvision torchtext torchaudio --force-reinstall --index-url https://download.pytorch.org/whl/nightly/{pt_nightly}"
             )
         else:
             self.install_torch_packages(cuda_version)