diff --git a/src/poetry_plugin_export/exporter.py b/src/poetry_plugin_export/exporter.py
index 167980e..d7d59f7 100644
--- a/src/poetry_plugin_export/exporter.py
+++ b/src/poetry_plugin_export/exporter.py
@@ -116,7 +116,6 @@ def _export_generic_txt(
                         " constraints.txt format.</warning>"
                     )
                     continue
-                line += "-e "
 
             requirement = dependency.to_pep_508(with_extras=False, resolved=True)
             is_direct_local_reference = (
@@ -129,7 +128,10 @@ def _export_generic_txt(
             elif is_direct_local_reference:
                 assert dependency.source_url is not None
                 dependency_uri = path_to_url(dependency.source_url)
-                line = f"{package.complete_name} @ {dependency_uri}"
+                if package.develop:
+                    line = f"-e {dependency_uri}"
+                else:
+                    line = f"{package.complete_name} @ {dependency_uri}"
             else:
                 line = f"{package.complete_name}=={package.version}"
 
diff --git a/tests/test_exporter.py b/tests/test_exporter.py
index f516029..cf7b7bf 100644
--- a/tests/test_exporter.py
+++ b/tests/test_exporter.py
@@ -1251,6 +1251,7 @@ def test_exporter_can_export_requirements_txt_with_nested_directory_packages(
                 "version": "7.8.9",
                 "optional": False,
                 "python-versions": "*",
+                "develop": True,
                 "source": {
                     "type": "directory",
                     "url": "sample_project/../project_with_nested_local/bar/..",
@@ -1273,8 +1274,8 @@ def test_exporter_can_export_requirements_txt_with_nested_directory_packages(
         content = f.read()
 
     expected = f"""\
+-e {fixture_root_uri}/project_with_nested_local ; {MARKER_PY}
 bar @ {fixture_root_uri}/project_with_nested_local/bar ; {MARKER_PY}
-baz @ {fixture_root_uri}/project_with_nested_local ; {MARKER_PY}
 foo @ {fixture_root_uri}/sample_project ; {MARKER_PY}
 """