diff --git a/src/plugins/cpptools/cppqtstyleindenter.cpp b/src/plugins/cpptools/cppqtstyleindenter.cpp
index 892cc173492..413e404149d 100644
--- a/src/plugins/cpptools/cppqtstyleindenter.cpp
+++ b/src/plugins/cpptools/cppqtstyleindenter.cpp
@@ -75,7 +75,8 @@ static bool colonIsElectric(const QString &text)
             || text.contains(QLatin1String("public"))
             || text.contains(QLatin1String("private"))
             || text.contains(QLatin1String("protected"))
-            || text.contains(QLatin1String("signals"))) {
+            || text.contains(QLatin1String("signals"))
+            || text.contains(QLatin1String("Q_SIGNALS"))) {
         return true;
     }