diff --git a/book.tex b/book.tex
index 437988c..a48a6d1 100644
--- a/book.tex
+++ b/book.tex
@@ -3045,7 +3045,7 @@ \section{Planning the Trip to x86}
 \node (Lvar) at (0,2)  {\large \LangVar{}};
 \node (Lvar-2) at (4,2)  {\large \LangVarANF{}};
 \node (x86-1) at (0,0)  {\large \LangXVar{}};
-\node (x86-2) at (4,0)  {\large \LangXVar{}};
+\node (x86-2) at (4,0)  {\large \LangXInt{}};
 \node (x86-3) at (8,0) {\large \LangXInt{}};
 \node (x86-4) at (12,0) {\large \LangXInt{}};