diff --git a/src/comm/BluetoothLink.cc b/src/comm/BluetoothLink.cc
index e6606987fe7c0037c9a2abeb8aa57d5ff6efd831..cca76cd647f48b073a4ab0a0e67f78c43c7f8d4a 100644
--- a/src/comm/BluetoothLink.cc
+++ b/src/comm/BluetoothLink.cc
@@ -390,7 +390,7 @@ void BluetoothConfiguration::setDevName(const QString &name)
 QString BluetoothConfiguration::address()
 {
 #ifdef __ios__
-    return QString("");
+    return {};
 #else
     return _device.address;
 #endif
diff --git a/src/comm/TCPLink.cc b/src/comm/TCPLink.cc
index d91cdb145d5b4ed9ff79092a22145264f46505d2..76b3eb51e92f9adfc3b24bc968c9b33cfa544cd2 100644
--- a/src/comm/TCPLink.cc
+++ b/src/comm/TCPLink.cc
@@ -263,7 +263,7 @@ static QString get_ip_address(const QString& address)
             }
         }
     }
-    return QString("");
+    return {};
 }
 
 TCPConfiguration::TCPConfiguration(const QString& name) : LinkConfiguration(name)
diff --git a/src/comm/UDPLink.cc b/src/comm/UDPLink.cc
index ff42b07f76a8b6580a4faa49b90cd535ea5805d8..20a13e769bc74e1ccb6f9721c931c57898192a6b 100644
--- a/src/comm/UDPLink.cc
+++ b/src/comm/UDPLink.cc
@@ -65,7 +65,7 @@ static QString get_ip_address(const QString& address)
             }
         }
     }
-    return QString("");
+    return {};
 }
 
 static bool contains_target(const QList<UDPCLient*> list, const QHostAddress& address, quint16 port)