diff --git a/slither/slither.py b/slither/slither.py
index 78a2bce7d..39435bf8c 100644
--- a/slither/slither.py
+++ b/slither/slither.py
@@ -65,7 +65,7 @@ class Slither(SlitherSolc):
             for path, ast in cryticCompile.asts.items():
 
                 self._parse_contracts_from_loaded_json(ast, path)
-                with open(path) as f:
+                with open(path, encoding='utf8', newline='') as f:
                     self.source_code[path] = f.read()
 
         self._detectors = []