diff --git a/python/kiss_icp/config/parser.py b/python/kiss_icp/config/parser.py
index 5f2b58ec..831f3039 100644
--- a/python/kiss_icp/config/parser.py
+++ b/python/kiss_icp/config/parser.py
@@ -28,12 +28,13 @@
 from pathlib import Path
 from typing import Any, Dict, Optional
 
-from pydantic_settings import BaseSettings
+from pydantic_settings import BaseSettings, SettingsConfigDict
 
 from kiss_icp.config.config import AdaptiveThresholdConfig, DataConfig, MappingConfig
 
 
 class KISSConfig(BaseSettings):
+    model_config = SettingsConfigDict(env_prefix="kiss_icp_")
     out_dir: str = "results"
     data: DataConfig = DataConfig()
     mapping: MappingConfig = MappingConfig()