diff --git a/include/pocketpy/interpreter/modules.h b/include/pocketpy/interpreter/modules.h
index 2c73d6bb..cd58f860 100644
--- a/include/pocketpy/interpreter/modules.h
+++ b/include/pocketpy/interpreter/modules.h
@@ -40,3 +40,9 @@ void pk__add_module_msgpack();
 #else
 #define pk__add_module_msgpack()
 #endif
+
+#ifdef PK_BUILD_MODULE_PERIPHERY
+void pk__add_module_periphery();
+#else
+#define pk__add_module_periphery()
+#endif
diff --git a/src/interpreter/vm.c b/src/interpreter/vm.c
index 98842cbb..d02fc1df 100644
--- a/src/interpreter/vm.c
+++ b/src/interpreter/vm.c
@@ -265,6 +265,7 @@ void VM__ctor(VM* self) {
     pk__add_module_lz4();       // optional
     pk__add_module_cute_png();  // optional
     pk__add_module_msgpack();   // optional
+    pk__add_module_periphery(); // optional
     pk__add_module_pkpy();
     pk__add_module_picoterm();