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-rw-r--r--sample/tsvr.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/sample/tsvr.rb b/sample/tsvr.rb
index ebfad4beeb..8b019bdb71 100644
--- a/sample/tsvr.rb
+++ b/sample/tsvr.rb
@@ -6,7 +6,7 @@ require "socket"
gs = TCPserver.open(0)
addr = gs.addr
addr.shift
-printf("server is on %d\n", addr.join(":"))
+printf("server is on %s\n", addr.join(":"))
while TRUE
Thread.start(gs.accept) do |s|