diff --git a/suites/aoip_encryption/suite.conf b/suites/aoip_encryption/suite.conf
index 3cdc525..d6d0eee 100644
--- a/suites/aoip_encryption/suite.conf
+++ b/suites/aoip_encryption/suite.conf
@@ -3,8 +3,14 @@
   - times: 5 # msc, bsc, hlr, stp, mgw
   bts:
   - times: 1
+    ciphers:
+      - a5_0
+      - a5_1
   modem:
   - times: 1
+    ciphers:
+      - a5_0
+      - a5_1
 
 defaults:
   timeout: 120s