diff --git a/aom_dsp/quantize.h b/aom_dsp/quantize.h
index 56d50b9..a47bd05 100644
--- a/aom_dsp/quantize.h
+++ b/aom_dsp/quantize.h
@@ -9,8 +9,8 @@
  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
  */
 
-#ifndef AOM_DSP_QUANTIZE_H_
-#define AOM_DSP_QUANTIZE_H_
+#ifndef AOM_AOM_DSP_QUANTIZE_H_
+#define AOM_AOM_DSP_QUANTIZE_H_
 
 #include "config/aom_config.h"
 
@@ -57,4 +57,4 @@
 }  // extern "C"
 #endif
 
-#endif  // AOM_DSP_QUANTIZE_H_
+#endif  // AOM_AOM_DSP_QUANTIZE_H_