diff --git a/crypto-vala/src/srtp.vala b/crypto-vala/src/srtp.vala
index c7f45da3..882a8edc 100644
--- a/crypto-vala/src/srtp.vala
+++ b/crypto-vala/src/srtp.vala
@@ -81,7 +81,7 @@ public class Session {
             case ErrorStatus.ok:
                 break;
             default:
-                throw new Error.UNKNOWN(@"SRTP decrypt failed: $res");
+                throw new Error.UNKNOWN(@"SRTCP decrypt failed: $res");
         }
         uint8[] ret = new uint8[buf_use];
         GLib.Memory.copy(ret, buf, buf_use);
@@ -105,6 +105,7 @@ public class Session {
         policy.key = new uint8[key.length + salt.length];
         Memory.copy(policy.key, key, key.length);
         Memory.copy(((uint8*)policy.key) + key.length, salt, salt.length);
+        policy.next = null;
         encrypt_context.add_stream(ref policy);
         has_encrypt = true;
     }
@@ -115,6 +116,7 @@ public class Session {
         policy.key = new uint8[key.length + salt.length];
         Memory.copy(policy.key, key, key.length);
         Memory.copy(((uint8*)policy.key) + key.length, salt, salt.length);
+        policy.next = null;
         decrypt_context.add_stream(ref policy);
         has_decrypt = true;
     }
diff --git a/crypto-vala/vapi/libsrtp2.vapi b/crypto-vala/vapi/libsrtp2.vapi
index c0c50c1c..f8f2d297 100644
--- a/crypto-vala/vapi/libsrtp2.vapi
+++ b/crypto-vala/vapi/libsrtp2.vapi
@@ -42,9 +42,11 @@ public struct Policy {
     public uint8[] key;
     public ulong num_master_keys;
     public ulong window_size;
-    public int allow_repeat_tx;
+    [CCode (ctype = "int")]
+    public bool allow_repeat_tx;
     [CCode (array_length_cname = "enc_xtn_hdr_count")]
     public int[] enc_xtn_hdr;
+    public Policy* next;
 }
 
 [CCode (cname = "srtp_crypto_policy_t")]