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Diffstat (limited to 'ext/openssl/ossl_engine.c')
-rw-r--r--ext/openssl/ossl_engine.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/openssl/ossl_engine.c b/ext/openssl/ossl_engine.c
index 52651ea880..2dfed654f4 100644
--- a/ext/openssl/ossl_engine.c
+++ b/ext/openssl/ossl_engine.c
@@ -119,7 +119,7 @@ ossl_engine_s_by_id(VALUE klass, VALUE id)
if(!ENGINE_init(e))
ossl_raise(eEngineError, NULL);
ENGINE_ctrl(e, ENGINE_CTRL_SET_PASSWORD_CALLBACK,
- 0, NULL, (void(*)())ossl_pem_passwd_cb);
+ 0, NULL, (void(*)(void))ossl_pem_passwd_cb);
ERR_clear_error();
return obj;