diff --git a/lib/wrappers/openssl.nim b/lib/wrappers/openssl.nim
index 01c53b7553..cf248fc865 100644
--- a/lib/wrappers/openssl.nim
+++ b/lib/wrappers/openssl.nim
@@ -531,7 +531,7 @@ proc CRYPTO_malloc_init*() =
   when not useWinVersion and not defined(macosx) and not defined(android) and not defined(nimNoAllocForSSL):
     CRYPTO_set_mem_functions(allocWrapper, reallocWrapper, deallocWrapper)
 
-proc SSL_CTX_ctrl*(ctx: SslCtx, cmd: cint, larg: int, parg: pointer): int{.
+proc SSL_CTX_ctrl*(ctx: SslCtx, cmd: cint, larg: clong, parg: pointer): clong{.
   cdecl, dynlib: DLLSSLName, importc.}
 
 proc SSL_CTX_callback_ctrl(ctx: SslCtx, typ: cint, fp: PFunction): int{.