diff --git a/PyTeX/build/build/builder.py b/PyTeX/build/build/builder.py
index b108875..75484b9 100644
--- a/PyTeX/build/build/builder.py
+++ b/PyTeX/build/build/builder.py
@@ -1,7 +1,6 @@
 from pathlib import Path
-from typing import Optional
+from typing import Optional, Union
 
-from PyTeX.build.build import BuildDirConfig
 from PyTeX.build.enums import PyTeXRootDirType
 from .pytex_config import PyTeXConfig
 from ...logger import logger
@@ -10,11 +9,18 @@ from ...logger import logger
 class PyTeXBuilder:
     def __init__(
             self,
-            build_dir_spec: BuildDirConfig
+            pytex_config: Optional[Union[PyTeXConfig, Path, str]] = None,
+            root_dir: Optional[Path] = None
     ):
 
         self._build_target_type: Optional[PyTeXRootDirType] = None
-        self._pytex_config: Optional[PyTeXConfig] = None
+        if isinstance(pytex_config, Path) or isinstance(pytex_config, str):
+            config_file = Path(pytex_config)
+            self._pytex_config = PyTeXConfig.from_yaml(config_file)
+            self._root_dir: Optional[Path] = config_file.parent
+        else:
+            self._pytex_config: Optional[PyTeXConfig] = pytex_config
+            self._root_dir: Optional[Path] = root_dir
 
     def build_tex_sources(self):
         self._build_target_type = PyTeXRootDirType.TEX_SOURCE
diff --git a/main.py b/main.py
index b7a91c5..79bb716 100644
--- a/main.py
+++ b/main.py
@@ -14,10 +14,6 @@ spec = BuildDirConfig(
     wrapper_dir=Path('mkessler')
 )
 
-builder = PyTeXBuilder(
-    build_dir_spec=spec
-)
-
 p: RelativePath = RelativePath(Path('src'), 'src/hello/bla')
 
 rel = p.relative_path
@@ -52,4 +48,7 @@ conf_path = Path('/home/maximilian/git/LatexPackages/.pytexrc')
 
 pytex_config = PyTeXConfig.from_yaml(conf_path)
 
+
+builder = PyTeXBuilder(conf_path)
+
 pass