diff --git a/news/5380.bugfix.rst b/news/5380.bugfix.rst
new file mode 100644
index 0000000000..7f4dcc9227
--- /dev/null
+++ b/news/5380.bugfix.rst
@@ -0,0 +1 @@
+Prefer to use the lockfile sources if available during the install phase.
diff --git a/pipenv/utils/indexes.py b/pipenv/utils/indexes.py
index f2770adfd9..667c6d7e4a 100644
--- a/pipenv/utils/indexes.py
+++ b/pipenv/utils/indexes.py
@@ -84,12 +84,12 @@ def get_source_list(
             if not sources or extra_src["url"] != sources[0]["url"]:
                 sources.append(extra_src)
 
-        for source in project.pipfile_sources:
+        for source in project.sources:
             if not sources or source["url"] != sources[0]["url"]:
                 sources.append(source)
 
     if not sources:
-        sources = project.pipfile_sources[:]
+        sources = project.sources[:]
     if pypi_mirror:
         sources = [
             create_mirror_source(pypi_mirror) if is_pypi_url(source["url"]) else source