diff --git a/crypto/crypto_engine.c b/crypto/crypto_engine.c
index a55c82d..795b6f9 100644
--- a/crypto/crypto_engine.c
+++ b/crypto/crypto_engine.c
@@ -14,6 +14,7 @@
 
 #include <linux/err.h>
 #include <linux/delay.h>
+#include <crypto/engine.h>
 #include "internal.h"
 
 #define CRYPTO_ENGINE_MAX_QLEN 10