diff --git a/detection/__main__.py b/detection/__main__.py
index 9881eb5..fffaf0a 100644
--- a/detection/__main__.py
+++ b/detection/__main__.py
@@ -420,7 +420,10 @@ def main():
         "-m", "--mode", help="Mode of operation:[regex,llm]", default="regex"
     )
     parser.add_argument(
-        "-p", "--pycdc", help="Path to pycdc.exe to decompile", default=None
+        "-p",
+        "--pycdc",
+        help="Path to pycdc.exe to decompile",
+        default=os.getenv("pycdc"),
     )
     args = parser.parse_args()
     output_format = "txt"  # Default output format