diff --git a/conans/client/installer.py b/conans/client/installer.py
index 1bd24f6aab7..dac9c92a717 100644
--- a/conans/client/installer.py
+++ b/conans/client/installer.py
@@ -427,7 +427,7 @@ def _build_package(self, node, output, keep_build, remotes):
             assert python_require.ref.revision is not None, \
                 "Installer should receive python_require.ref always"
             complete_recipe_sources(self._remote_manager, self._cache,
-                                    conanfile, python_require.ref, remotes)
+                                    python_require.conanfile, python_require.ref, remotes)
 
         builder = _PackageBuilder(self._cache, output, self._hook_manager, self._remote_manager)
         pref = builder.build_package(node, keep_build, self._recorder, remotes)
diff --git a/conans/test/functional/python_requires/python_requires_test.py b/conans/test/functional/python_requires/python_requires_test.py
index aa238d65553..65a85fce683 100644
--- a/conans/test/functional/python_requires/python_requires_test.py
+++ b/conans/test/functional/python_requires/python_requires_test.py
@@ -576,6 +576,32 @@ class Lib(ConanFile):
         self.assertIn("Same python_requires with different versions not allowed for a conanfile",
                       t.out)
 
+    def short_paths_test(self):
+        # https://github.com/conan-io/conan/issues/5814
+        client = TestClient(default_server_user=True)
+        conanfile = textwrap.dedent("""
+        from conans import ConanFile
+        class MyConanfileBase(ConanFile):
+            exports = "*.txt"
+            exports_sources = "*.h"
+        """)
+        client.save({"conanfile.py": conanfile,
+                     "file.h": "header",
+                     "other.txt": "text"})
+        client.run("create . Base/1.2@lasote/testing")
+
+        reuse = textwrap.dedent("""
+        from conans import python_requires
+        base = python_requires("Base/1.2@lasote/testing")
+        class PkgTest(base.MyConanfileBase):
+            short_paths = True
+            name = "consumer"
+            version = "1.0.0"
+        """)
+        client.save({"conanfile.py": reuse}, clean_first=True)
+        client.run("create . lasote/testing")
+        self.assertIn("consumer/1.0.0@lasote/testing: Created package revision", client.out)
+
 
 class PythonRequiresNestedTest(unittest.TestCase):