diff --git a/src/cmd/gc/reflect.c b/src/cmd/gc/reflect.c
index 4dde2176b1..5afcdee489 100644
--- a/src/cmd/gc/reflect.c
+++ b/src/cmd/gc/reflect.c
@@ -476,9 +476,8 @@ imethods(Type *t)
 			last->link = a;
 		last = a;
 
-		// Compiler can only refer to wrappers for
-		// named interface types and non-blank methods.
-		if(t->sym == S || isblanksym(method))
+		// Compiler can only refer to wrappers for non-blank methods.
+		if(isblanksym(method))
 			continue;
 
 		// NOTE(rsc): Perhaps an oversight that
diff --git a/test/method4.dir/prog.go b/test/method4.dir/prog.go
index 77d580cffc..cb5cf65f29 100644
--- a/test/method4.dir/prog.go
+++ b/test/method4.dir/prog.go
@@ -73,7 +73,14 @@ func main() {
 	f4 := I2.Sum
 	eq(f4(t1, a, 17), 27)
 	eq(f4(t2, a, 18), 28)
-	
+
+	// issue 6723
+	f5 := (interface {
+		I2
+	}).Sum
+	eq(f5(t1, a, 19), 29)
+	eq(f5(t2, a, 20), 30)
+
 	mt1 := method4a.T1(4)
 	mt2 := &method4a.T2{4}