diff --git a/basis/cpu/x86/32/bootstrap.factor b/basis/cpu/x86/32/bootstrap.factor
index fdcf5ca25f..e438bd1c0f 100644
--- a/basis/cpu/x86/32/bootstrap.factor
+++ b/basis/cpu/x86/32/bootstrap.factor
@@ -295,6 +295,7 @@ IN: bootstrap.x86
 : jit-start-context ( -- )
     ! Create the new context in return-reg
     jit-load-vm
+    jit-save-context
     ESP [] vm-reg MOV
     "new_context" jit-call
 
diff --git a/basis/cpu/x86/64/bootstrap.factor b/basis/cpu/x86/64/bootstrap.factor
index 308546131a..e8c8d99643 100644
--- a/basis/cpu/x86/64/bootstrap.factor
+++ b/basis/cpu/x86/64/bootstrap.factor
@@ -270,6 +270,7 @@ IN: bootstrap.x86
 
 : jit-start-context ( -- )
     ! Create the new context in return-reg
+    jit-save-context
     arg1 vm-reg MOV
     "new_context" jit-call