diff --git a/basis/cpu/x86/32/32.factor b/basis/cpu/x86/32/32.factor
index b591b254f8..e908f52952 100755
--- a/basis/cpu/x86/32/32.factor
+++ b/basis/cpu/x86/32/32.factor
@@ -29,10 +29,10 @@ M: x86.32 temp-reg-2 EDX ;
 
 M:: x86.32 %dispatch ( src temp -- )
     ! Load jump table base.
-    src HEX: ffffffff ADD
+    temp src HEX: ffffffff [+] LEA
     0 rc-absolute-cell rel-here
     ! Go
-    src HEX: 7f [+] JMP
+    temp HEX: 7f [+] JMP
     ! Fix up the displacement above
     cell code-alignment
     [ 7 + building get dup pop* push ]
diff --git a/basis/cpu/x86/64/64.factor b/basis/cpu/x86/64/64.factor
index 3a7221c239..2c8fb3f18f 100644
--- a/basis/cpu/x86/64/64.factor
+++ b/basis/cpu/x86/64/64.factor
@@ -27,8 +27,8 @@ M:: x86.64 %dispatch ( src temp -- )
     temp HEX: ffffffff MOV
     0 rc-absolute-cell rel-here
     ! Add jump table base
-    src temp ADD
-    src HEX: 7f [+] JMP
+    temp src ADD
+    temp HEX: 7f [+] JMP
     ! Fix up the displacement above
     cell code-alignment
     [ 15 + building get dup pop* push ]