diff --git a/bindgen/ir/ty.rs b/bindgen/ir/ty.rs
index 19974ade56..32c831146a 100644
--- a/bindgen/ir/ty.rs
+++ b/bindgen/ir/ty.rs
@@ -1193,7 +1193,7 @@ impl Type {
             }
         };
 
-        name = name.filter(|n| !n.is_empty());
+        name = name.filter(|n| !n.is_empty() && clang::is_valid_identifier(n));
 
         let is_const = ty.is_const() ||
             (ty.kind() == CXType_ConstantArray &&