diff --git a/config.py b/config.py
index a24b588..c664ad8 100644
--- a/config.py
+++ b/config.py
@@ -5,9 +5,9 @@
 load_dotenv()
 
 # Where the simulations results will be saved.
-DATA_PATH = Path(os.getenv('ER_DATA_PATH'))
+DATA_PATH = Path(os.getenv("ER_DATA_PATH", "./resources"))
 DATA_PATH.mkdir(parents=True, exist_ok=True)
 
 # Where the generated figures will be saved.
-FIGURES_PATH = Path(os.getenv('ER_FIGURES_PATH'))
+FIGURES_PATH = Path(os.getenv("ER_FIGURES_PATH", "./resources"))
 FIGURES_PATH.mkdir(parents=True, exist_ok=True)