diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h
index 396e8f7..1e25310 100644
--- a/include/sound/compress_driver.h
+++ b/include/sound/compress_driver.h
@@ -27,6 +27,7 @@
 
 #include <linux/types.h>
 #include <linux/sched.h>
+#include <sound/core.h>
 #include <sound/compress_offload.h>
 #include <sound/asound.h>
 #include <sound/pcm.h>