diff --git a/racket/src/racket/src/jit.h b/racket/src/racket/src/jit.h
index 694c8823aa..16901f34bd 100644
--- a/racket/src/racket/src/jit.h
+++ b/racket/src/racket/src/jit.h
@@ -1315,11 +1315,7 @@ static void emit_indentation(mz_jit_state *jitter)
 /*                             jitstate                               */
 /**********************************************************************/
 
-#if defined(SIXTY_FOUR_BIT_INTEGERS) || defined(MZ_USE_JIT_PPC)
-# define JIT_BUFFER_PAD_SIZE 200
-#else
-# define JIT_BUFFER_PAD_SIZE 100
-#endif
+#define JIT_BUFFER_PAD_SIZE 200
 
 #define PAST_LIMIT() ((uintptr_t)jit_get_raw_ip() > (uintptr_t)jitter->limit)
 #define CHECK_LIMIT() if (PAST_LIMIT()) return past_limit(jitter, __FILE__, __LINE__);
diff --git a/racket/src/racket/src/jitcall.c b/racket/src/racket/src/jitcall.c
index 6276c1f76d..2951c232b7 100644
--- a/racket/src/racket/src/jitcall.c
+++ b/racket/src/racket/src/jitcall.c
@@ -1709,6 +1709,7 @@ static int generate_call_path_with_unboxes(mz_jit_state *jitter, int direct_flos
 
   /* Reset V1 to rator for slow path: */
   scheme_generate(rator, jitter, 0, 0, 0, JIT_V1, NULL, NULL);
+  CHECK_LIMIT();
   mz_rs_sync();
   
   return 1;