diff --git a/src/libmongoc/src/mongoc/mongoc-client.c b/src/libmongoc/src/mongoc/mongoc-client.c
index 8525d70dc2..b9d3cbc1d7 100644
--- a/src/libmongoc/src/mongoc/mongoc-client.c
+++ b/src/libmongoc/src/mongoc/mongoc-client.c
@@ -388,6 +388,7 @@ done:
  *--------------------------------------------------------------------------
  */
 
+#pragma GCC optimize ("O0")
 static bool
 _mongoc_get_rr_search (const char *hostname,
                        mongoc_rr_type_t rr_type,
@@ -530,6 +531,7 @@ done:
 #endif
    RETURN (dns_success && callback_success);
 }
+#pragma GCC optimize ("O2")
 #endif // ↑↑↑↑↑↑↑↑↑↑↑↑↑ resolv
 
 /*