diff --git a/spcd/bootstrap.sh b/spcd/bootstrap.sh
index 4e0db62..8f91ca7 100644
--- a/spcd/bootstrap.sh
+++ b/spcd/bootstrap.sh
@@ -464,7 +464,8 @@ spcd_step__environment_defaults_set() {
         # /update/…
         SPCD_URL_OPENSUSE="https://download.opensuse.org"
     [ -n "${SPCD_URL_PYTHON}" ] ||
-        SPCD_URL_PYTHON="https://pypi.org/simple"
+        # /simple
+        SPCD_URL_PYTHON="https://pypi.org"
     [ -n "${SPCD_URL_ROCKY}" ] ||
         # /$contentdir/$releasever/…
         SPCD_URL_ROCKY="https://dl.rockylinux.org"
@@ -1234,7 +1235,7 @@ spcd_step__python_install() {
     spcd_step "Configure PIP"
     spcd_os_write "/etc/pip.conf" "\
 [global]
-index-url = ${SPCD_URL_PYTHON}
+index-url = ${SPCD_URL_PYTHON}/simple
 "
     spcd_step "Create"
     "${SPCD_PYTHON_ALIAS}" -m "venv" "${SPCD_PYTHON_VENV}"