diff --git a/src/Perl6/Actions.pm b/src/Perl6/Actions.pm
index 4365633fb2c..f8b0e0851a4 100644
--- a/src/Perl6/Actions.pm
+++ b/src/Perl6/Actions.pm
@@ -978,7 +978,11 @@ method routine_def($/) {
                     PAST::Op.new( :inline('    %r = new ["Perl6MultiSub"]') ),
                     $past
                 );
-                $symbol_holder.symbol($name, :multis($past))
+                $symbol_holder.symbol($name, :multis($past));
+                $past := PAST::Op.new(
+                    :pasttype('callmethod'), :name('incorporate_candidates'),
+                    $past, PAST::Op.new( :pirop('find_lex_skip_current PS'), $name )
+                );
             }
             $multi_flag.value($*MULTINESS eq 'proto' ?? 2 !! 1);
         }
diff --git a/src/pmc/perl6multisub.pmc b/src/pmc/perl6multisub.pmc
index b325e3dd87d..c8c53f50532 100644
--- a/src/pmc/perl6multisub.pmc
+++ b/src/pmc/perl6multisub.pmc
@@ -1312,6 +1312,26 @@ that we may have in place. Returns SELF.
         }
         RETURN (PMC *SELF);
     }
+
+
+/*
+
+=item METHOD PMC *incorporate_candidates(PMC *maybe_multi)
+
+Incorporates the given candidates into this multi.
+
+=cut
+
+*/
+    METHOD PMC *incorporate_candidates(PMC *maybe_multi) {
+        if (!PMC_IS_NULL(maybe_multi) && VTABLE_isa(interp, maybe_multi, CONST_STRING(interp, "Perl6MultiSub"))) {
+            INTVAL elements = VTABLE_elements(interp, maybe_multi);
+            INTVAL i;
+            for (i = 0; i < elements; i++)
+                VTABLE_push_pmc(interp, SELF, VTABLE_get_pmc_keyed_int(interp, maybe_multi, i));
+        }
+        RETURN (PMC *SELF);
+    }
 }
 
 /*