diff --git a/lang/bytecode.c b/lang/bytecode.c
index 624b6dd..a1d2401 100644
--- a/lang/bytecode.c
+++ b/lang/bytecode.c
@@ -22,7 +22,8 @@
 	OP_DEPTH_CHECK = 0x09,
 };
 
-void bytecode_run(VmState state, const unsigned char *bytecode) {
+void bytecode_run(VmState state, Object obj, const unsigned char *bytecode) {
+	(void)obj;
 	const unsigned char *pos_code = &bytecode[0];
 	unsigned char op = OP_RET;
 	while ((op = *pos_code++) != OP_RET) {
diff --git a/lang/bytecode.h b/lang/bytecode.h
index 170e0b7..f921472 100644
--- a/lang/bytecode.h
+++ b/lang/bytecode.h
@@ -7,6 +7,6 @@
 #include "types.h"
 
 // Runs bytecode
-void bytecode_run(VmState state, const unsigned char *bytecode);
+void bytecode_run(VmState state, Object obj, const unsigned char *bytecode);
 
 #endif
diff --git a/lang/func.c b/lang/func.c
index 5711f34..1a02d7b 100644
--- a/lang/func.c
+++ b/lang/func.c
@@ -29,8 +29,7 @@
 static void func_cleanup(Object obj) { (void)obj; }
 
 static void func_call(VmState state, Object obj, void *priv) {
-	(void)obj;
-	bytecode_run(state, (const unsigned char *)priv);
+	bytecode_run(state, obj, (const unsigned char *)priv);
 }
 
 static struct object_call calls[] = {