diff --git a/src/btcsignals.h b/src/btcsignals.h
index e0df8ae8adb..b990fb9d8ea 100644
--- a/src/btcsignals.h
+++ b/src/btcsignals.h
@@ -122,7 +122,7 @@ class scoped_connection
     connection m_conn;
 
 public:
-    scoped_connection(connection rhs) noexcept : m_conn{std::move(rhs)} {}
+    explicit scoped_connection(connection rhs) noexcept : m_conn{std::move(rhs)} {}
 
     scoped_connection(scoped_connection&&) noexcept = default;
 
diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index bf42f78da04..47790eb3abd 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -485,9 +485,9 @@ int GuiMain(int argc, char* argv[])
     util::ThreadSetInternalName("main");
 
     // Subscribe to global signals from core
-    btcsignals::scoped_connection handler_message_box = ::uiInterface.ThreadSafeMessageBox_connect(noui_ThreadSafeMessageBox);
-    btcsignals::scoped_connection handler_question = ::uiInterface.ThreadSafeQuestion_connect(noui_ThreadSafeQuestion);
-    btcsignals::scoped_connection handler_init_message = ::uiInterface.InitMessage_connect(noui_InitMessage);
+    btcsignals::scoped_connection handler_message_box{::uiInterface.ThreadSafeMessageBox_connect(noui_ThreadSafeMessageBox)};
+    btcsignals::scoped_connection handler_question{::uiInterface.ThreadSafeQuestion_connect(noui_ThreadSafeQuestion)};
+    btcsignals::scoped_connection handler_init_message{::uiInterface.InitMessage_connect(noui_InitMessage)};
 
     // Do not refer to data directory yet, this can be overridden by Intro::pickDataDirectory