diff --git a/src/video/cocoa/SDL_cocoaopengles.m b/src/video/cocoa/SDL_cocoaopengles.m
index 0f551de10..cd578e0f4 100644
--- a/src/video/cocoa/SDL_cocoaopengles.m
+++ b/src/video/cocoa/SDL_cocoaopengles.m
@@ -25,6 +25,7 @@
 #include "SDL_cocoavideo.h"
 #include "SDL_cocoaopengles.h"
 #include "SDL_cocoaopengl.h"
+#include "SDL_assert.h"
 
 /* EGL implementation of SDL OpenGL support */
 
diff --git a/src/video/windows/SDL_windowsopengles.c b/src/video/windows/SDL_windowsopengles.c
index 5ee46d83c..fbb1a7b0a 100644
--- a/src/video/windows/SDL_windowsopengles.c
+++ b/src/video/windows/SDL_windowsopengles.c
@@ -25,6 +25,7 @@
 #include "SDL_windowsvideo.h"
 #include "SDL_windowsopengles.h"
 #include "SDL_windowsopengl.h"
+#include "SDL_assert.h"
 
 /* EGL implementation of SDL OpenGL support */