diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs

index 2748903f2d47..10d02d6db829 100644

--- a/src/bootstrap/builder.rs

+++ b/src/bootstrap/builder.rs

@@ -1231,7 +1231,8 @@ impl<'a> Builder<'a> {

             cargo.arg("--frozen");

         }

-        cargo.env("RUSTC_INSTALL_BINDIR", &self.config.bindir);

+        // Try to use a sysroot-relative bindir, in case it was configured absolutely.

+        cargo.env("RUSTC_INSTALL_BINDIR", self.config.bindir_relative());

         self.ci_env.force_coloring_in_ci(&mut cargo);

diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs

index d1bdfa0a7676..0c03b95c7b25 100644

--- a/src/bootstrap/config.rs

+++ b/src/bootstrap/config.rs

@@ -647,6 +647,20 @@ impl Config {

         config

     }

+    /// Try to find the relative path of `bindir`, otherwise return it in full.

+    pub fn bindir_relative(&self) -> &Path {

+        let bindir = &self.bindir;

+        if bindir.is_absolute() {

+            // Try to make it relative to the prefix.

+            if let Some(prefix) = &self.prefix {

+                if let Ok(stripped) = bindir.strip_prefix(prefix) {

+                    return stripped;

+                }

+            }

+        }

+        bindir

+    }

+

     /// Try to find the relative path of `libdir`.

     pub fn libdir_relative(&self) -> Option<&Path> {

         let libdir = self.libdir.as_ref()?;