1 files changed, 1 insertions, 0 deletions
diff --git a/io.c b/io.c
index 78b87fc6ac..0961f34ce5 100644
--- a/io.c
+++ b/io.c
@@ -4564,6 +4564,7 @@ io_strip_bom(VALUE io)
 		rb_io_ungetbyte(io, INT2FIX(b4));
 	    }
 	    else {
+		rb_io_ungetbyte(io, INT2FIX(b3));
 		return rb_enc_find_index("UTF-16LE");
 	    }
 	    rb_io_ungetbyte(io, INT2FIX(b3));