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Diffstat (limited to 'java/src/json/ext/Parser.rl')
| -rw-r--r-- | java/src/json/ext/Parser.rl | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/java/src/json/ext/Parser.rl b/java/src/json/ext/Parser.rl index 28247ea..1ad8f21 100644 --- a/java/src/json/ext/Parser.rl +++ b/java/src/json/ext/Parser.rl @@ -179,6 +179,9 @@ public class Parser extends RubyObject { private RubyString convertEncoding(ThreadContext context, RubyString source) { RubyEncoding encoding = (RubyEncoding)source.encoding(context); if (encoding == info.ascii8bit.get()) { + if (source.isFrozen()) { + source = (RubyString) source.dup(); + } source.force_encoding(context, info.utf8.get()); } else { source = (RubyString) source.encode(context, info.utf8.get()); |