diff --git a/daemon/src/sip/sipaccount.cpp b/daemon/src/sip/sipaccount.cpp
index 5a823c9377e49ce72bea9fa7033148281f9cb070..adb0fd65e6070168c7ee8edd1a309972f75843b3 100644
--- a/daemon/src/sip/sipaccount.cpp
+++ b/daemon/src/sip/sipaccount.cpp
@@ -115,7 +115,7 @@ SIPAccount::SIPAccount(const std::string& accountID, bool presenceEnabled)
     , stunServer_("")
     , stunEnabled_(false)
     , srtpEnabled_(false)
-    , srtpKeyExchange_("sdes")
+    , srtpKeyExchange_("")
     , srtpFallback_(false)
     , zrtpDisplaySas_(true)
     , zrtpDisplaySasOnce_(false)