diff --git a/src/discord/snowflake.hpp b/src/discord/snowflake.hpp
index 83a2bc3..d63d270 100644
--- a/src/discord/snowflake.hpp
+++ b/src/discord/snowflake.hpp
@@ -3,6 +3,7 @@
 #include <nlohmann/json.hpp>
 #include <glibmm/ustring.h>
 #include <fmt/core.h>
+#include <fmt/ostream.h>
 
 struct Snowflake {
     Snowflake();