diff --git a/src/microsoft/compiler/nir_to_dxil.c b/src/microsoft/compiler/nir_to_dxil.c
index 54db719f200..9cb787f5167 100644
--- a/src/microsoft/compiler/nir_to_dxil.c
+++ b/src/microsoft/compiler/nir_to_dxil.c
@@ -119,6 +119,7 @@ nir_options = {
    .lower_helper_invocation = true,
    .has_cs_global_id = true,
    .has_txs = true,
+   .lower_mul_2x32_64 = true,
 };
 
 const nir_shader_compiler_options*