diff --git a/rust-script/src/interface.rs b/rust-script/src/interface.rs
index e75e0de..fe67043 100644
--- a/rust-script/src/interface.rs
+++ b/rust-script/src/interface.rs
@@ -409,7 +409,7 @@ macro_rules! define_script_root {
         }
 
         pub const __GODOT_RUST_SCRIPT_SRC_ROOT: &str = $crate::private_export::concat!(
-            env!("CARGO_MANIFEST_DIR"),
+            $crate::private_export::replace!(env!("CARGO_MANIFEST_DIR"), "\\", "/"),
             "/src",
             $crate::private_export::replace!(
                 $crate::private_export::unwrap!($crate::private_export::strip_prefix!(