diff --git a/src/call.cpp b/src/call.cpp
index c8cca0c4105b345702bb5f654662aff25e2d761a..341d7b54b4af4b009b2286ff79acc2e52dfe749b 100644
--- a/src/call.cpp
+++ b/src/call.cpp
@@ -299,7 +299,7 @@ m_pUserActionModel(nullptr), m_CurrentState(Call::State::ERROR),m_pCertificate(n
    /* VIDEO */ {{ false, false }},
    /* TEXT  */ {{ false, false }},
    /* FILE  */ {{ false, false }},
-}})
+}}), m_pTransferNumber(nullptr)
 {
 }