1 files changed, 1 insertions, 0 deletions
diff --git a/encoding.c b/encoding.c
index f102524379..df3d65cd48 100644
--- a/encoding.c
+++ b/encoding.c
@@ -720,6 +720,7 @@ enc_capable(VALUE obj)
       case T_STRING:
       case T_REGEXP:
       case T_FILE:
+      case T_SYMBOL:
 	return TRUE;
       case T_DATA:
 	if (is_data_encoding(obj)) return TRUE;