diff --git a/bindgen/codegen/mod.rs b/bindgen/codegen/mod.rs
index f5518e432d..152dd07730 100644
--- a/bindgen/codegen/mod.rs
+++ b/bindgen/codegen/mod.rs
@@ -5863,7 +5863,7 @@ pub(crate) mod utils {
         let mangled_name = mangled_name.as_bytes();
 
         let (mangling_prefix, expect_suffix) = match call_conv {
-            Some(ClangAbi::Known(Abi::C)) |
+            Some(ClangAbi::Known(Abi::C) | ClangAbi::Known(Abi::CUnwind)) |
             // None is the case for global variables
             None => {
                 (b'_', false)