diff --git a/Source/ThirdParty/fmt/format.h b/Source/ThirdParty/fmt/format.h
index 0550af1b5..f2151d7b0 100644
--- a/Source/ThirdParty/fmt/format.h
+++ b/Source/ThirdParty/fmt/format.h
@@ -36,6 +36,7 @@
 #include <math.h>
 #include <stdint.h>
 #include <limits>
+#include <initializer_list>
 
 #include "core.h"