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-rw-r--r--ext/psych/psych.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/psych/psych.c b/ext/psych/psych.c
index 69ff1d8dfc..3bb59bfc11 100644
--- a/ext/psych/psych.c
+++ b/ext/psych/psych.c
@@ -20,7 +20,7 @@ static VALUE libyaml_version(VALUE module)
VALUE mPsych;
-void Init_psych()
+void Init_psych(void)
{
mPsych = rb_define_module("Psych");