diff --git a/cc/afdo.go b/cc/afdo.go
index 1233e33..9be3918 100644
--- a/cc/afdo.go
+++ b/cc/afdo.go
@@ -108,6 +108,8 @@
 		// Salvage stale profile by fuzzy matching and use the remapped location for sample profile query.
 		flags.Local.CFlags = append([]string{"-mllvm", "--salvage-stale-profile=true"}, flags.Local.CFlags...)
 		flags.Local.CFlags = append([]string{"-mllvm", "--salvage-stale-profile-max-callsites=2000"}, flags.Local.CFlags...)
+		// Salvage stale profile by fuzzy matching renamed functions.
+		flags.Local.CFlags = append([]string{"-mllvm", "--salvage-unused-profile=true"}, flags.Local.CFlags...)
 		flags.Local.LdFlags = append([]string{profileUseFlag, "-Wl,-mllvm,-no-warn-sample-unused=true"}, flags.Local.LdFlags...)
 
 		// Update CFlagsDeps and LdFlagsDeps so the module is rebuilt