diff --git a/stubs/pyOpenSSL/OpenSSL/SSL.pyi b/stubs/pyOpenSSL/OpenSSL/SSL.pyi
index a9c012867..bf3530a6a 100644
--- a/stubs/pyOpenSSL/OpenSSL/SSL.pyi
+++ b/stubs/pyOpenSSL/OpenSSL/SSL.pyi
@@ -110,7 +110,7 @@ class WantX509LookupError(Error): ...
 class ZeroReturnError(Error): ...
 class SysCallError(Error): ...
 
-def SSLeay_version(type: int) -> str: ...
+def SSLeay_version(type: int) -> bytes: ...
 
 class Session: ...