diff --git a/runtime/openjdkjvmti/transform.h b/runtime/openjdkjvmti/transform.h
index 0ff2bd1..65f2ae1 100644
--- a/runtime/openjdkjvmti/transform.h
+++ b/runtime/openjdkjvmti/transform.h
@@ -37,6 +37,7 @@
 #include <jni.h>
 
 #include "art_jvmti.h"
+#include "ti_class_definition.h"
 #include "jvmti.h"
 
 namespace openjdkjvmti {