diff --git a/peep.c b/peep.c
index 5b5082862ceb..4d507fb88c1d 100644
--- a/peep.c
+++ b/peep.c
@@ -27,7 +27,7 @@
 
 
 #define CALL_RPEEP(o) PL_rpeepp(aTHX_ o)
-
+#define cMAXARG3x(o)  (o->op_private & OPpARG3_MASK)
 
 static void
 S_scalar_slice_warning(pTHX_ const OP *o)
diff --git a/pp.h b/pp.h
index 395ab5420f66..a37ebd535cb0 100644
--- a/pp.h
+++ b/pp.h
@@ -633,6 +633,8 @@ Does not use C<TARG>.  See also C<L</XPUSHu>>, C<L</mPUSHu>> and C<L</PUSHu>>.
 #define ARGTARG		PL_op->op_targ
 
 #define MAXARG		(PL_op->op_private & OPpARG4_MASK)
+#define MAXARG3         (PL_op->op_private & OPpARG3_MASK)
+
 
 /* for backcompat - use switch_argstack() instead */