diff --git a/src/dreammaker/preprocessor.rs b/src/dreammaker/preprocessor.rs
index 0fa607e6..105bd858 100644
--- a/src/dreammaker/preprocessor.rs
+++ b/src/dreammaker/preprocessor.rs
@@ -350,7 +350,10 @@ impl Preprocessor {
                     "include" => {
                         expect_token!((path) = Token::String(path));
                         expect_token!(() = Token::Punct(Punctuation::Newline));
+                        #[cfg(windows)]
                         let path = PathBuf::from(path);
+                        #[cfg(unix)]
+                        let path = PathBuf::from(path.replace("\\", "/"));
 
                         for each in vec![
                             self.env_file.parent().unwrap().join(&path),
diff --git a/src/tools/utils.rs b/src/tools/utils.rs
index 6892775b..704b422f 100644
--- a/src/tools/utils.rs
+++ b/src/tools/utils.rs
@@ -5,8 +5,6 @@ use std::borrow::Cow;
 
 #[cfg(unix)]
 pub fn fix_case(path: &Path) -> Cow<Path> {
-    use std::ascii::AsciiExt;
-
     if path.exists() {
         return Cow::Borrowed(path);
     }