diff --git a/av1/decoder/inspection.h b/av1/decoder/inspection.h
index 7214a9b..ba1b8ac 100644
--- a/av1/decoder/inspection.h
+++ b/av1/decoder/inspection.h
@@ -20,7 +20,7 @@
 #include "av1/decoder/accounting.h"
 #endif
 
-#ifndef AOM_AOMDX_H_
+#ifndef AOM_AOM_AOMDX_H_
 typedef void (*aom_inspect_cb)(void *decoder, void *data);
 #endif