diff --git a/aws_cdk_code_builder/__init__.py b/aws_cdk_code_builder/__init__.py
index ac68bab..ff0ecfb 100644
--- a/aws_cdk_code_builder/__init__.py
+++ b/aws_cdk_code_builder/__init__.py
@@ -63,7 +63,10 @@ def __init__(self, project_path: Union[str, Path], work_dir: Union[str, Path],
         if not self.project_path.is_dir():
             raise ValueError('Project path needs to be a directory')
 
+        # Use function folder and parent folder names to avoid same function folder name colisions
         project_name = self.project_path.parts[-1]
+        if base_path := self.project_path.parts[-2]:
+            project_name = f"{base_path}-{project_name}"
 
         self._build_dir = self.work_dir.joinpath('.build')
         self._project_build_dir = self._build_dir.joinpath(project_name)
diff --git a/setup.py b/setup.py
index 498c151..69cddbd 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 setup(
     name='aws-cdk-code-builder',
     packages=find_packages(),
-    version='1.2.3',
+    version='1.2.4',
     description='A Library that extends the aws_lambda.Code.from_asset and allows for auto '
                 'packaging of the project',
     long_description=README,