diff --git a/vm_core.h b/vm_core.h
index 7852ca4625..5fb230a1b4 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -460,6 +460,8 @@ struct rb_iseq_constant_body {
     unsigned int ci_kw_size;
     unsigned int stack_max; /* for stack overflow check */
 
+    char catch_except_p; /* If a frame of this ISeq may catch exception, set TRUE */
+
 #if USE_MJIT
     /* The following fields are MJIT related info.  */
     VALUE (*jit_func)(struct rb_execution_context_struct *,
@@ -467,7 +469,6 @@ struct rb_iseq_constant_body {
     long unsigned total_calls; /* number of total calls with `mjit_exec()` */
     struct rb_mjit_unit *jit_unit;
 #endif
-    char catch_except_p; /* If a frame of this ISeq may catch exception, set TRUE */
 };
 
 /* T_IMEMO/iseq */