diff --git a/conanfile.py b/conanfile.py
index 0fd71de..fcb7c2c 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -37,7 +37,7 @@ class ArgonConan(ConanFile):
         if not flex_path:
             raise Exception("Flex not found in system PATH. Please install flex on Linux/macOS.")
 
-        tc.variables["FLEX_EXECUTABLE"] = flex_path
+        tc.variables["FLEX_EXECUTABLE"] = flex_path.replace("\\", "\\\\")
         tc.generate()
 
     def build(self):