diff --git a/rjit_c.rb b/rjit_c.rb
index 4c95716b36..c1030e94e3 100644
--- a/rjit_c.rb
+++ b/rjit_c.rb
@@ -1271,10 +1271,11 @@ module RubyVM::RJIT # :nodoc: all
       "rb_rjit_runtime_counters", Primitive.cexpr!("SIZEOF(struct rb_rjit_runtime_counters)"),
       vm_insns_count: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), vm_insns_count)")],
       rjit_insns_count: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), rjit_insns_count)")],
+      send_args_splat_kw_splat: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_args_splat_kw_splat)")],
       send_args_splat: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_args_splat)")],
-      send_klass_megamorphic: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_klass_megamorphic)")],
       send_kw_splat: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_kw_splat)")],
       send_kwarg: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_kwarg)")],
+      send_klass_megamorphic: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_klass_megamorphic)")],
       send_missing_cme: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_missing_cme)")],
       send_private: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_private)")],
       send_protected_check_failed: [CType::Immediate.parse("size_t"), Primitive.cexpr!("OFFSETOF((*((struct rb_rjit_runtime_counters *)NULL)), send_protected_check_failed)")],