diff --git a/bindings/ocaml/llvm/llvm_ocaml.c b/bindings/ocaml/llvm/llvm_ocaml.c
index ecdcb2f0538..927432e2479 100644
--- a/bindings/ocaml/llvm/llvm_ocaml.c
+++ b/bindings/ocaml/llvm/llvm_ocaml.c
@@ -1387,7 +1387,7 @@ static void llvm_finalize_builder(value B) {
 }
 
 static struct custom_operations builder_ops = {
-  (char *) "IRBuilder",
+  (char *) "LLVMIRBuilder",
   llvm_finalize_builder,
   custom_compare_default,
   custom_hash_default,