diff --git a/src/openapi_python_generator/language_converters/python/service_generator.py b/src/openapi_python_generator/language_converters/python/service_generator.py
index caca9bd..5888731 100644
--- a/src/openapi_python_generator/language_converters/python/service_generator.py
+++ b/src/openapi_python_generator/language_converters/python/service_generator.py
@@ -428,17 +428,18 @@ def generate_service_operation(
     services = []
     service_ops = []
     for path_name, path in paths.items():
+        clean_path_name = clean_up_path_name(path_name)
         for http_operation in HTTP_OPERATIONS:
             op = path.__getattribute__(http_operation)
             if op is None:
                 continue
 
             if library_config.include_sync:
-                sync_so = generate_service_operation(op, path_name, False)
+                sync_so = generate_service_operation(op, clean_path_name, False)
                 service_ops.append(sync_so)
 
             if library_config.include_async:
-                async_so = generate_service_operation(op, path_name, True)
+                async_so = generate_service_operation(op, clean_path_name, True)
                 service_ops.append(async_so)
 
     # Ensure every operation has a tag; fallback to "default" for untagged operations
@@ -489,3 +490,11 @@ def generate_service_operation(
         )
 
     return services
+
+
+def clean_up_path_name(path_name: str) -> str:
+    # Clean up path name: only replace dashes inside curly brackets for f-string compatibility, keep other dashes
+    def _replace_bracket_dashes(match):
+        return "{" + match.group(1).replace("-", "_") + "}"
+
+    return re.sub(r"\{([^}/]+)\}", _replace_bracket_dashes, path_name)
diff --git a/tests/regression/test_issue_117.py b/tests/regression/test_issue_117.py
new file mode 100644
index 0000000..1dd0372
--- /dev/null
+++ b/tests/regression/test_issue_117.py
@@ -0,0 +1,36 @@
+import pytest
+from click.testing import CliRunner
+
+from openapi_python_generator.common import HTTPLibrary, library_config_dict
+from openapi_python_generator.generate_data import generate_data
+from tests.conftest import test_data_folder
+from tests.conftest import test_result_path
+
+
+@pytest.fixture
+def runner() -> CliRunner:
+    """Fixture for invoking command-line interfaces."""
+    return CliRunner()
+
+
+@pytest.mark.parametrize(
+    "library",
+    [HTTPLibrary.httpx, HTTPLibrary.aiohttp, HTTPLibrary.requests],
+)
+def test_issue_117(runner: CliRunner, model_data_with_cleanup, library) -> None:
+    """
+    https://github.com/MarcoMuellner/openapi-python-generator/issues/117
+    """
+    generate_data(test_data_folder / "issue_117.json", test_result_path, library)
+
+    if library_config_dict[library].include_sync:
+        assert (test_result_path / "services" / "default_service.py").exists()
+        assert (test_result_path / "services" / "default_service.py").read_text().find(
+            'path = f"/bar-boz/{foo_bar}"'
+        ) != -1
+
+    if library_config_dict[library].include_async:
+        assert (test_result_path / "services" / "async_default_service.py").exists()
+        assert (
+            test_result_path / "services" / "async_default_service.py"
+        ).read_text().find('path = f"/bar-boz/{foo_bar}"') != -1
diff --git a/tests/test_data/issue_117.json b/tests/test_data/issue_117.json
new file mode 100644
index 0000000..aee9c89
--- /dev/null
+++ b/tests/test_data/issue_117.json
@@ -0,0 +1,29 @@
+{
+  "openapi": "3.1.0",
+    "info": {
+        "title": "New Specs",
+        "version": "1.0.0"
+    },
+  "paths": {
+
+      "/bar-boz/{foo-bar}": {
+        "get": {
+
+          "parameters": [
+            {
+              "name": "foo-bar",
+              "in": "path",
+              "description": "Buzz.",
+              "required": true,
+              "schema": {
+                "type": "string"
+              }
+            }
+          ]
+        }
+      }
+  },
+  "components": {
+    "schemas": {}
+  }
+}
\ No newline at end of file