diff --git a/src/solid/power/backends/freedesktop/logindinhibitionargument.cpp b/src/solid/power/backends/freedesktop/logindinhibitionargument.cpp
index 83e4425e..a85e5f0a 100644
--- a/src/solid/power/backends/freedesktop/logindinhibitionargument.cpp
+++ b/src/solid/power/backends/freedesktop/logindinhibitionargument.cpp
@@ -19,5 +19,5 @@ QString LogindInhibitionArgument::fromPowerState(Power::InhibitionTypes states)
     if (states | Power::Shutdown) {
         args << QStringLiteral("shutdown");
     }
-    return args.join(QChar(':'));
+    return args.join(QLatin1Char(':'));
 }