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-rw-r--r--lib/irb/magic-file.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/irb/magic-file.rb b/lib/irb/magic-file.rb
index 861262050e..339ed60b6b 100644
--- a/lib/irb/magic-file.rb
+++ b/lib/irb/magic-file.rb
@@ -8,9 +8,10 @@ module IRB
line = io.gets
line = io.gets if line[0,2] == "#!"
encoding = detect_encoding(line)
+ internal_encoding = encoding
encoding ||= default_src_encoding
io.rewind
- io.set_encoding(encoding, nil)
+ io.set_encoding(encoding, internal_encoding)
if block_given?
begin