diff --git a/interp/cfg.go b/interp/cfg.go
index 8db4dce6..3dac1b21 100644
--- a/interp/cfg.go
+++ b/interp/cfg.go
@@ -2575,7 +2575,7 @@ func compositeGenerator(n *node, typ *itype, rtyp reflect.Type) (gen bltnGenerat
 			gen = compositeBinMap
 		case reflect.Ptr:
 			gen = compositeGenerator(n, typ, n.typ.val.rtype)
-		case reflect.Slice:
+		case reflect.Slice, reflect.Array:
 			gen = compositeBinSlice
 		default:
 			log.Panic(n.cfgErrorf("compositeGenerator not implemented for type kind: %s", k))