diff --git a/src/backend/libpq/be-secure-openssl.c b/src/backend/libpq/be-secure-openssl.c
index 55b2cad745..fc46a33539 100644
--- a/src/backend/libpq/be-secure-openssl.c
+++ b/src/backend/libpq/be-secure-openssl.c
@@ -547,6 +547,8 @@ aloop:
 					case SSL_R_TLSV1_ALERT_PROTOCOL_VERSION:
 #ifdef SSL_R_VERSION_TOO_HIGH
 					case SSL_R_VERSION_TOO_HIGH:
+#endif
+#ifdef SSL_R_VERSION_TOO_LOW
 					case SSL_R_VERSION_TOO_LOW:
 #endif
 						give_proto_hint = true;