diff --git a/include/net/ipcomp.h b/include/net/ipcomp.h
index b94e304..87c1af3 100644
--- a/include/net/ipcomp.h
+++ b/include/net/ipcomp.h
@@ -1,15 +1,14 @@
 #ifndef _NET_IPCOMP_H
 #define _NET_IPCOMP_H
 
+#include <linux/crypto.h>
 #include <linux/types.h>
 
 #define IPCOMP_SCRATCH_SIZE     65400
 
-struct crypto_tfm;
-
 struct ipcomp_data {
 	u16 threshold;
-	struct crypto_tfm **tfms;
+	struct crypto_comp **tfms;
 };
 
 #endif