1 files changed, 1 insertions, 2 deletions

diff --git a/src/lib/libcrypto/cast/c_ecb.c b/src/lib/libcrypto/cast/c_ecb.c
index f2dc606226..b6a3b1fff9 100644
--- a/src/lib/libcrypto/cast/c_ecb.c
+++ b/src/lib/libcrypto/cast/c_ecb.c
@@ -63,7 +63,7 @@
 const char CAST_version[]="CAST" OPENSSL_VERSION_PTEXT;
 
 void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,
-                      CAST_KEY *ks, int enc)
+                      const CAST_KEY *ks, int enc)
         {
         CAST_LONG l,d[2];
 
@@ -77,4 +77,3 @@ void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,
         l=d[1]; l2n(l,out);
         l=d[0]=d[1]=0;
         }
-