diff --git a/cfg/qt.cfg b/cfg/qt.cfg
index ad7193d04cf..4f0cf612615 100644
--- a/cfg/qt.cfg
+++ b/cfg/qt.cfg
@@ -383,7 +383,7 @@
   <!-- QMetaObject::Connection QObject::connect(const QObject *sender, PointerToMemberFunction signal, const QObject *context, Functor functor, Qt::ConnectionType type = Qt::AutoConnection) // static -->
   <function name="QObject::connect">
     <noreturn>false</noreturn>
-    <leak-ignore/>	  
+    <leak-ignore/>
     <arg nr="1" direction="in">
       <not-null/>
       <not-uninit/>
@@ -5186,13 +5186,14 @@
   <type-checks>
     <unusedvar>
       <suppress>QApplication</suppress>
-      <suppress>QMutexLocker</suppress>      
+      <suppress>QMutexLocker</suppress>
+      <check>QRectF</check>
     </unusedvar>
     <operatorEqVarError>
-      <suppress>QMutex</suppress>      
-      <suppress>QRecursiveMutex</suppress>      
-      <suppress>QSemaphore</suppress>      
-      <suppress>QReadWriteLock</suppress>      
+      <suppress>QMutex</suppress>
+      <suppress>QRecursiveMutex</suppress>
+      <suppress>QSemaphore</suppress>
+      <suppress>QReadWriteLock</suppress>
     </operatorEqVarError>
   </type-checks>
   <!-- Treat QStringList as QList<QString> since we can't remove the template parameter when we inherit. -->
diff --git a/test/cfg/qt.cpp b/test/cfg/qt.cpp
index 5289fad0c7f..346dc03716a 100644
--- a/test/cfg/qt.cpp
+++ b/test/cfg/qt.cpp
@@ -20,7 +20,12 @@
 #include <QCoreApplication>
 #include <QLoggingCategory>
 #include <QTest>
+#include <QRectF>
 
+void unreadVariable_QRectF() {
+    // cppcheck-suppress unreadVariable
+    QRectF rect(0.0, 0.0, 100.0, 50.0);
+}
 
 void QString1(QString s)
 {