diff --git a/ext/amrnb/amrnbdec.h b/ext/amrnb/amrnbdec.h
index 1e81839..01b7154 100644
--- a/ext/amrnb/amrnbdec.h
+++ b/ext/amrnb/amrnbdec.h
@@ -22,7 +22,7 @@
 
 #include <gst/gst.h>
 #include <gst/audio/gstaudiodecoder.h>
-#include <interf_dec.h>
+#include <opencore-amrnb/interf_dec.h>
 
 G_BEGIN_DECLS
 
diff --git a/ext/amrnb/amrnbenc.h b/ext/amrnb/amrnbenc.h
index 7f673ac..7c4b839 100644
--- a/ext/amrnb/amrnbenc.h
+++ b/ext/amrnb/amrnbenc.h
@@ -21,8 +21,8 @@
 #define __GST_AMRNBENC_H__
 
 #include <gst/gst.h>
-#include <interf_enc.h>
 #include <gst/audio/gstaudioencoder.h>
+#include <opencore-amrnb/interf_enc.h>
 
 G_BEGIN_DECLS
 
