diff --git a/lang/func.c b/lang/func.c
index 785d834..82bfd32 100644
--- a/lang/func.c
+++ b/lang/func.c
@@ -4,6 +4,7 @@
 #include "bytecode.h"
 #include "error.h"
 #include "object.h"
+#include "vm.h"
 #include <stddef.h>
 
 static struct object_class func_class;
diff --git a/lang/number.c b/lang/number.c
index 72fa887..e275485 100644
--- a/lang/number.c
+++ b/lang/number.c
@@ -3,6 +3,7 @@
 
 #include "error.h"
 #include "object.h"
+#include "vm.h"
 #include <stddef.h>
 
 static struct object_class num_class;
diff --git a/lang/object.h b/lang/object.h
index 2714f59..00db860 100644
--- a/lang/object.h
+++ b/lang/object.h
@@ -4,7 +4,7 @@
 #ifndef OBJECT_H
 #define OBJECT_H
 
-#include "vm.h"
+#include "types.h"
 
 // Dispatchable object call
 struct object_call {