diff --git a/lib/nlohmann-json/include/nlohmann/detail/output/serializer.hpp b/lib/nlohmann-json/include/nlohmann/detail/output/serializer.hpp
index a64426444..84487bc17 100644
--- a/lib/nlohmann-json/include/nlohmann/detail/output/serializer.hpp
+++ b/lib/nlohmann-json/include/nlohmann/detail/output/serializer.hpp
@@ -354,15 +354,15 @@ class serializer
                             {
                                 if (codepoint <= 0xFFFF)
                                 {
-                                    std::snprintf(string_buffer.data() + bytes, 7, "\\u%04x",
-                                                  static_cast<uint16_t>(codepoint));
+                                    ::snprintf(string_buffer.data() + bytes, 7, "\\u%04x",
+                                               static_cast<uint16_t>(codepoint));
                                     bytes += 6;
                                 }
                                 else
                                 {
-                                    std::snprintf(string_buffer.data() + bytes, 13, "\\u%04x\\u%04x",
-                                                  static_cast<uint16_t>(0xD7C0 + (codepoint >> 10)),
-                                                  static_cast<uint16_t>(0xDC00 + (codepoint & 0x3FF)));
+                                    ::snprintf(string_buffer.data() + bytes, 13, "\\u%04x\\u%04x",
+                                               static_cast<uint16_t>(0xD7C0 + (codepoint >> 10)),
+                                               static_cast<uint16_t>(0xDC00 + (codepoint & 0x3FF)));
                                     bytes += 12;
                                 }
                             }