diff --git a/plugins/.gitignore b/plugins/.gitignore
index e2092085..acd0fcce 100644
--- a/plugins/.gitignore
+++ b/plugins/.gitignore
@@ -2,3 +2,4 @@
 !/.gitignore
 !/version-ext-compat
 !/python-build
+/python-build/test/build
diff --git a/plugins/python-build/bin/python-build b/plugins/python-build/bin/python-build
index 7d0b2a16..2e8bf1cf 100755
--- a/plugins/python-build/bin/python-build
+++ b/plugins/python-build/bin/python-build
@@ -2025,7 +2025,7 @@ build_package_ensurepip() {
     ensurepip_opts="--altinstall"
   fi
   # FIXME: `--altinstall` with `get-pip.py`
-  "$PYTHON_BIN" -s -m ensurepip ${ensurepip_opts} 1>/dev/null 2>&1 || build_package_get_pip "$@" || return 1
+  "$PYTHON_BIN" -I -m ensurepip ${ensurepip_opts} 1>/dev/null 2>&1 || build_package_get_pip "$@" || return 1
   build_package_symlink_version_suffix
 }
 
diff --git a/plugins/python-build/test/pyenv_ext.bats b/plugins/python-build/test/pyenv_ext.bats
index a2b73f61..ccf6f4c6 100644
--- a/plugins/python-build/test/pyenv_ext.bats
+++ b/plugins/python-build/test/pyenv_ext.bats
@@ -200,7 +200,7 @@ OUT
   assert_success
 
   assert_build_log <<OUT
-python -s -m ensurepip
+python -I -m ensurepip
 OUT
 }
 
@@ -218,7 +218,7 @@ OUT
   assert_success
 
   assert_build_log <<OUT
-python -s -m ensurepip --altinstall
+python -I -m ensurepip --altinstall
 OUT
 }