diff --git a/src/modules/event/sdl/Event.cpp b/src/modules/event/sdl/Event.cpp
index b68fd121a..8ed81fee0 100644
--- a/src/modules/event/sdl/Event.cpp
+++ b/src/modules/event/sdl/Event.cpp
@@ -26,6 +26,7 @@
 #include "libraries/utf8/utf8.h"
 
 #include <cmath>
+#include <cstddef>
 
 namespace love
 {
diff --git a/src/modules/font/GlyphData.cpp b/src/modules/font/GlyphData.cpp
index 17702343a..3cf25d41c 100644
--- a/src/modules/font/GlyphData.cpp
+++ b/src/modules/font/GlyphData.cpp
@@ -26,6 +26,7 @@
 
 // stdlib
 #include <iostream>
+#include <cstddef>
 
 namespace love
 {