--- a/python/private/py_runtime_info.bzl
+++ b/python/private/py_runtime_info.bzl
@@ -16,6 +16,6 @@
 # limitations under the License.
 """Providers for Python rules."""
 
-DEFAULT_STUB_SHEBANG = "#!/usr/bin/env python3"
+DEFAULT_STUB_SHEBANG = "#!%%PYTHON_CMD%%"
 
 _PYTHON_VERSION_VALUES = ["PY2", "PY3"]