diff --git a/src/tools/run-make-support/src/rustc.rs b/src/tools/run-make-support/src/rustc.rs
index 3f23c1b8f9e76..ffc18a5e48753 100644
--- a/src/tools/run-make-support/src/rustc.rs
+++ b/src/tools/run-make-support/src/rustc.rs
@@ -107,7 +107,11 @@ impl Rustc {
     }
 
     /// Remap source path prefixes in all output.
-    pub fn remap_path_prefix<P: AsRef<Path>>(&mut self, from: P, to: P) -> &mut Self {
+    pub fn remap_path_prefix<P: AsRef<Path>, P2: AsRef<Path>>(
+        &mut self,
+        from: P,
+        to: P2,
+    ) -> &mut Self {
         let from = from.as_ref().to_string_lossy();
         let to = to.as_ref().to_string_lossy();