diff --git a/basis/cpu/x86/x86.factor b/basis/cpu/x86/x86.factor
index 8074021429..b304a01de8 100644
--- a/basis/cpu/x86/x86.factor
+++ b/basis/cpu/x86/x86.factor
@@ -48,7 +48,7 @@ HOOK: reserved-stack-space cpu ( -- n )
 M: x86 stack-frame-size ( stack-frame -- i )
     (stack-frame-size)
     reserved-stack-space +
-    3 cells +
+    cell +
     align-stack ;
 
 HOOK: pic-tail-reg cpu ( -- reg )