diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
index a2dfebec59441..ea5f8eaba6e9e 100644
--- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
@@ -1813,6 +1813,9 @@ extern "C" LLVMRustResult LLVMRustWriteImportLibrary(
     ImportName,
     Path,
     ConvertedExports,
+  #if LLVM_VERSION_GE(19, 0)
+    std::nullopt,
+  #endif
     static_cast<llvm::COFF::MachineTypes>(Machine),
     MinGW);
   if (Error) {