diff --git a/TODO.FACTOR.txt b/TODO.FACTOR.txt
index 0fb99ddd1f..ad382dbd56 100644
--- a/TODO.FACTOR.txt
+++ b/TODO.FACTOR.txt
@@ -1,5 +1,6 @@
 + 0.84:
 
+- fix amd64 backend
 - fix contribs: boids, automata
 - sometimes darcs get fails with the httpd
 - gdb triggers 'mutliple i/o ops on port' error
@@ -17,7 +18,6 @@
 - instead of decompiling words, add them to a 'recompile' set; compiler
   treats words in the recompile set as if they were not compiled
 - see if alien calls can be made faster
-- remove literal table
 
 ========================================================================
 
diff --git a/vm/os-macosx-x86.h b/vm/os-macosx-x86.h
index 0a792a3957..8b38a365bc 100644
--- a/vm/os-macosx-x86.h
+++ b/vm/os-macosx-x86.h
@@ -18,6 +18,6 @@ INLINE unsigned long fix_stack_ptr(unsigned long sp)
 
 INLINE void pass_arg0(SIGSEGV_THREAD_STATE_TYPE *thr_state, CELL arg)
 {
-	*SIGSEGV_STACK_POINTER(*thread_state) = arg;
-	SIGSEGV_STACK_POINTER(*thread_state) -= CELLS;
+	*SIGSEGV_STACK_POINTER(thr_state) = arg;
+	SIGSEGV_STACK_POINTER(thr_state) -= CELLS;
 }