diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
index 4390486b0de..edea09b1634 100644
--- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
@@ -1105,7 +1105,11 @@ extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateEnumerationType(
       unwrapDI<DIDescriptor>(Scope), StringRef(Name, NameLen),
       unwrapDI<DIFile>(File), LineNumber,
       SizeInBits, AlignInBits, DINodeArray(unwrapDI<MDTuple>(Elements)),
-      unwrapDI<DIType>(ClassTy), "", IsScoped));
+      unwrapDI<DIType>(ClassTy),
+#if LLVM_VERSION_GE(18, 0)
+      /* RunTimeLang */ 0,
+#endif
+      "", IsScoped));
 }
 
 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateUnionType(