diff --git a/SPIRV/spirv.hpp b/SPIRV/spirv.hpp
index 0499bc86..14605b82 100644
--- a/SPIRV/spirv.hpp
+++ b/SPIRV/spirv.hpp
@@ -512,7 +512,7 @@ enum BuiltIn {
     BuiltInBaryCoordNoPerspNV = 5287,
     BuiltInFragmentSizeNV = 5292,
     BuiltInInvocationsPerPixelNV = 5293,
-    BuiltInLaunchIDNVX = 5319,
+    BuiltInLaunchIdNVX = 5319,
     BuiltInLaunchSizeNVX = 5320,
     BuiltInWorldRayOriginNVX = 5321,
     BuiltInWorldRayDirectionNVX = 5322,