diff --git a/src/arch/x86/isa/insts/general_purpose/data_transfer/xchg.py b/src/arch/x86/isa/insts/general_purpose/data_transfer/xchg.py
index 03752c28a..6504b5ab4 100644
--- a/src/arch/x86/isa/insts/general_purpose/data_transfer/xchg.py
+++ b/src/arch/x86/isa/insts/general_purpose/data_transfer/xchg.py
@@ -50,31 +50,31 @@ def macroop XCHG_R_R
 
 def macroop XCHG_R_M
 {
-    ldst t1, seg, sib, disp
-    st reg, seg, sib, disp
+    ldstl t1, seg, sib, disp
+    stul reg, seg, sib, disp
     mov reg, reg, t1
 };
 
 def macroop XCHG_R_P
 {
     rdip t7
-    ldst t1, seg, riprel, disp
-    st reg, seg, riprel, disp
+    ldstl t1, seg, riprel, disp
+    stul reg, seg, riprel, disp
     mov reg, reg, t1
 };
 
 def macroop XCHG_M_R
 {
-    ldst t1, seg, sib, disp
-    st reg, seg, sib, disp
+    ldstl t1, seg, sib, disp
+    stul reg, seg, sib, disp
     mov reg, reg, t1
 };
 
 def macroop XCHG_P_R
 {
     rdip t7
-    ldst t1, seg, riprel, disp
-    st reg, seg, riprel, disp
+    ldstl t1, seg, riprel, disp
+    stul reg, seg, riprel, disp
     mov reg, reg, t1
 };