diff --git a/recipes-devtools/rust/rust_%.bbappend b/recipes-devtools/rust/rust_%.bbappend
new file mode 100644
index 0000000..47d18f6
--- /dev/null
+++ b/recipes-devtools/rust/rust_%.bbappend
@@ -0,0 +1,10 @@
+# Override scarthgap default of "-fcanon-prefix-map" as it seems to
+# now cause issues with rust-llvm as of Rust 1.87.  master branch
+# did not see this as the default value changed to the below before
+# the upgrade to Rust 1.86.
+DEBUG_PREFIX_MAP = "\
+ -ffile-prefix-map=${S}=${TARGET_DBGSRC_DIR} \
+ -ffile-prefix-map=${B}=${TARGET_DBGSRC_DIR} \
+ -ffile-prefix-map=${STAGING_DIR_HOST}= \
+ -ffile-prefix-map=${STAGING_DIR_NATIVE}= \
+"