diff --git a/lang/rust/Makefile b/lang/rust/Makefile
--- a/lang/rust/Makefile
+++ b/lang/rust/Makefile
@@ -188,6 +188,7 @@
 .if ${PORT_OPTIONS:MLTO}
 	@${ECHO_CMD} 'lto="thin"' >> ${WRKSRC}/config.toml
 .endif
+	@${ECHO_CMD} 'remap-debuginfo=true' >> ${WRKSRC}/config.toml
 	@${ECHO_CMD} '[llvm]' >> ${WRKSRC}/config.toml
 .if ${PORT_OPTIONS:MLTO}
 	@${ECHO_CMD} 'thin-lto=true' >> ${WRKSRC}/config.toml