diff --git a/src/lib/libast/hash/hashalloc.c b/src/lib/libast/hash/hashalloc.c
index 00a290e9a..0791f3193 100644
--- a/src/lib/libast/hash/hashalloc.c
+++ b/src/lib/libast/hash/hashalloc.c
@@ -152,7 +152,7 @@ hashalloc(Hash_table_t* ref, ...)
 				va_copy(*vp, ap);
 				vp++;
 			}
-#if __clang__ && __SIZEOF_POINTER__ == 4
+#if __clang__ && __SIZEOF_POINTER__ == 4 && !__APPLE__
 			{
 				va_list		np;
 
diff --git a/src/lib/libast/string/tokscan.c b/src/lib/libast/string/tokscan.c
index d81dfbcd2..c1881eb2f 100644
--- a/src/lib/libast/string/tokscan.c
+++ b/src/lib/libast/string/tokscan.c
@@ -234,7 +234,7 @@ tokscan(register char* s, char** nxt, const char* fmt, ...)
 			prv_f = f;
 			f = va_arg(ap, char*);
 			va_copy(prv_ap, ap);
-#if __clang__ && __SIZEOF_POINTER__ == 4
+#if __clang__ && __SIZEOF_POINTER__ == 4 && !__APPLE__
 			{
 				va_list		np;