diff --git a/llpc/lower/llpcSpirvLowerRayTracing.cpp b/llpc/lower/llpcSpirvLowerRayTracing.cpp
index bff0dcfa75..d0cb0a1782 100644
--- a/llpc/lower/llpcSpirvLowerRayTracing.cpp
+++ b/llpc/lower/llpcSpirvLowerRayTracing.cpp
@@ -1990,6 +1990,7 @@ SmallSet<unsigned, 4> SpirvLowerRayTracing::getShaderExtraInputParams(ShaderStag
     params.insert(TraceParam::TCurrent);
     params.insert(TraceParam::Kind);
     params.insert(TraceParam::DuplicateAnyHit);
+    params.insert(TraceParam::RayFlags);
     break;
   default:
     break;