1 files changed, 2 insertions, 1 deletions
diff --git a/vm.h b/vm.h
index 0d1782d..39fc0bb 100644
--- a/vm.h
+++ b/vm.h
@@ -13,7 +13,7 @@ typedef struct _thread Thread;
 typedef struct {
 	size_t ip;
 	Chunk *ch;
-
+	size_t fp;
 } StackFrame;
 
 #define MAXDEPTH  64
@@ -22,6 +22,7 @@ typedef struct _thread {
 	Chunk *ch;
 	size_t ip;
 	Val stack[STACKSIZE];
+	size_t fp;
 	size_t sp;
 	StackFrame rstack[MAXDEPTH];
 	size_t rsp;