diff --git a/racket/src/racket/src/lightning/i386/core.h b/racket/src/racket/src/lightning/i386/core.h
index 743ea35567..250c75a2ee 100644
--- a/racket/src/racket/src/lightning/i386/core.h
+++ b/racket/src/racket/src/lightning/i386/core.h
@@ -69,7 +69,7 @@ struct jit_local_state {
 #ifdef JIT_X86_SSE
   union {
     int	   i[2];
-    long   l;
+    intptr_t   l;
     double d;
   } d_data;
   jit_insn *tmp_label;