diff --git a/modules/graphics/src/main/native-prism-es2/ios/IOSWindowSystemInterface.m b/modules/graphics/src/main/native-prism-es2/ios/IOSWindowSystemInterface.m
--- a/modules/graphics/src/main/native-prism-es2/ios/IOSWindowSystemInterface.m
+++ b/modules/graphics/src/main/native-prism-es2/ios/IOSWindowSystemInterface.m
@@ -28,6 +28,10 @@
 #import "ios-window-system.h"
 #import "com_sun_prism_es2_GLPixelFormat.h"
 
+#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 80000 // iOS 8.0 supported
+#include <OpenGLES/ES2/gl.h>
+#include <OpenGLES/ES2/glext.h>
+#endif
 
 void *createPixelFormat(jint* ivalues) {
     return NULL;