diff --git a/racket/src/racket/src/jitcommon.c b/racket/src/racket/src/jitcommon.c
index 30cec6dc42..665ff8b904 100644
--- a/racket/src/racket/src/jitcommon.c
+++ b/racket/src/racket/src/jitcommon.c
@@ -3361,7 +3361,7 @@ static int common13(mz_jit_state *jitter, void *_data)
   scheme_jit_register_sub_func(jitter, sjc.slow_cpointer_tag_code, scheme_false);
   CHECK_LIMIT();
     
-  /* *** slow_cpointer_tag_code *** */
+  /* *** slow_set_cpointer_tag_code *** */
   sjc.slow_set_cpointer_tag_code = jit_get_ip();
   mz_prolog(JIT_R2);
   JIT_UPDATE_THREAD_RSPTR();
diff --git a/racket/src/racket/src/jitinline.c b/racket/src/racket/src/jitinline.c
index 22a667d228..a43e1cb664 100644
--- a/racket/src/racket/src/jitinline.c
+++ b/racket/src/racket/src/jitinline.c
@@ -3727,7 +3727,7 @@ int scheme_generate_inlined_binary(mz_jit_state *jitter, Scheme_App3_Rec *app, i
       __START_TINY_JUMPS__(1);
       refdone = jit_jmpi(jit_forward());
       mz_patch_branch(ref);
-      (void)mz_bnei_t(refslow, JIT_R0, scheme_cpointer_type, JIT_R1);
+      (void)mz_bnei_t(refslow, JIT_R0, scheme_cpointer_type, JIT_R2);
       CHECK_LIMIT();
 
       jit_stxi_p((intptr_t)&SCHEME_CPTR_TYPE((Scheme_Object *)0x0), JIT_R0, JIT_R1);