diff --git a/compile.c b/compile.c
index 4ce73d0f75..175a258f24 100644
--- a/compile.c
+++ b/compile.c
@@ -6737,7 +6737,7 @@ rb_insns_name_array(void)
 {
     VALUE ary = rb_ary_new();
     int i;
-    for (i = 0; i < numberof(insn_name_info); i++) {
+    for (i = 0; i < VM_INSTRUCTION_SIZE; i++) {
 	rb_ary_push(ary, rb_fstring_cstr(insn_name_info[i]));
     }
     return rb_obj_freeze(ary);
diff --git a/template/insns.inc.tmpl b/template/insns.inc.tmpl
index 203273f92b..13b6cb9638 100644
--- a/template/insns.inc.tmpl
+++ b/template/insns.inc.tmpl
@@ -18,3 +18,5 @@ enum ruby_vminsn_type {
   VM_INSTRUCTION_SIZE            = <%= @insns.size %>
 };
 
+#define ASSERT_VM_INSTRUCTION_SIZE(array) \
+    STATIC_ASSERT(numberof_##array, numberof(array) == VM_INSTRUCTION_SIZE)
diff --git a/template/insns_info.inc.tmpl b/template/insns_info.inc.tmpl
index 14b4ef50ab..c7f0094a7a 100644
--- a/template/insns_info.inc.tmpl
+++ b/template/insns_info.inc.tmpl
@@ -15,18 +15,26 @@ static const char *const insn_name_info[] = {
 <%= insn_names %>
 };
 
+ASSERT_VM_INSTRUCTION_SIZE(insn_name_info);
+
 static const char *const insn_operand_info[] = {
 <%= operands_info %>
 };
 
+ASSERT_VM_INSTRUCTION_SIZE(insn_operand_info);
+
 static const int insn_len_info[] = {
 <%= operands_num_info %>
 };
 
+ASSERT_VM_INSTRUCTION_SIZE(insn_len_info);
+
 #ifdef USE_INSN_RET_NUM
 static const int insn_stack_push_num_info[] = {
 <%= stack_num_info %>
 };
+
+ASSERT_VM_INSTRUCTION_SIZE(insn_stack_push_num_info);
 #endif
 
 #ifdef USE_INSN_STACK_INCREASE
diff --git a/template/opt_sc.inc.tmpl b/template/opt_sc.inc.tmpl
index 41492b2bb6..4c85f96c0f 100644
--- a/template/opt_sc.inc.tmpl
+++ b/template/opt_sc.inc.tmpl
@@ -26,7 +26,10 @@ static const VALUE sc_insn_info[][SC_STATE_SIZE] = {
 <%= sc_insn_info %>
 };
 
+ASSERT_VM_INSTRUCTION_SIZE(sc_insn_info);
+
 static const VALUE sc_insn_next[] = {
 <%= sc_insn_next %>
 };
 
+ASSERT_VM_INSTRUCTION_SIZE(sc_insn_next);
diff --git a/template/optunifs.inc.tmpl b/template/optunifs.inc.tmpl
index af313a9b45..63ac4d85ca 100644
--- a/template/optunifs.inc.tmpl
+++ b/template/optunifs.inc.tmpl
@@ -33,3 +33,4 @@
 
 #undef GET_INSN_NAME
 
+ASSERT_VM_INSTRUCTION_SIZE(unified_insns_data);
diff --git a/template/vmtc.inc.tmpl b/template/vmtc.inc.tmpl
index 5f1f51a08b..3d9935dcaa 100644
--- a/template/vmtc.inc.tmpl
+++ b/template/vmtc.inc.tmpl
@@ -16,3 +16,4 @@ static const void *const insns_address_table[] = {
 <%= insns_table %>
 };
 
+ASSERT_VM_INSTRUCTION_SIZE(insns_address_table);