diff --git a/src/qmlcompiler/qqmljstypepropagator.cpp b/src/qmlcompiler/qqmljstypepropagator.cpp
index d1158f969c..7f4c20568e 100644
--- a/src/qmlcompiler/qqmljstypepropagator.cpp
+++ b/src/qmlcompiler/qqmljstypepropagator.cpp
@@ -104,6 +104,11 @@ void QQmlJSTypePropagator::generate_Ret()
         setError(u"cannot convert from %1 to %2"_qs
                          .arg(m_state.accumulatorIn.descriptiveName(),
                               m_returnType.descriptiveName()));
+
+        m_logger->logWarning(u"Cannot assign binding of type %1 to %2"_qs.arg(
+                                     m_typeResolver->containedTypeName(m_state.accumulatorIn),
+                                     m_typeResolver->containedTypeName(m_returnType)),
+                             Log_Type, getCurrentBindingSourceLocation());
         return;
     }
 
@@ -250,6 +255,15 @@ QQmlJS::SourceLocation QQmlJSTypePropagator::getCurrentSourceLocation() const
     return location;
 }
 
+QQmlJS::SourceLocation QQmlJSTypePropagator::getCurrentBindingSourceLocation() const
+{
+    Q_ASSERT(m_currentContext->sourceLocationTable);
+    const auto &entries = m_currentContext->sourceLocationTable->entries;
+
+    Q_ASSERT(!entries.isEmpty());
+    return combine(entries.constFirst().location, entries.constLast().location);
+}
+
 void QQmlJSTypePropagator::handleUnqualifiedAccess(const QString &name) const
 {
     auto location = getCurrentSourceLocation();
diff --git a/src/qmlcompiler/qqmljstypepropagator_p.h b/src/qmlcompiler/qqmljstypepropagator_p.h
index 69dc685e61..cd86c1d442 100644
--- a/src/qmlcompiler/qqmljstypepropagator_p.h
+++ b/src/qmlcompiler/qqmljstypepropagator_p.h
@@ -264,6 +264,7 @@ private:
     void checkDeprecated(QQmlJSScope::ConstPtr scope, const QString &name, bool isMethod) const;
     bool checkRestricted(const QString &propertyName) const;
     QQmlJS::SourceLocation getCurrentSourceLocation() const;
+    QQmlJS::SourceLocation getCurrentBindingSourceLocation() const;
 
     void propagateBinaryOperation(QSOperator::Op op, int lhs);
     void propagateCall(const QList<QQmlJSMetaMethod> &methods, int argc, int argv);
diff --git a/tests/auto/qml/qmllint/data/bindingTypeMismatch.qml b/tests/auto/qml/qmllint/data/bindingTypeMismatch.qml
new file mode 100644
index 0000000000..ffde545e7d
--- /dev/null
+++ b/tests/auto/qml/qmllint/data/bindingTypeMismatch.qml
@@ -0,0 +1,5 @@
+import QtQuick
+
+Item {
+    property int number: 3 + "Hello"
+}
diff --git a/tests/auto/qml/qmllint/data/bindingTypeMismatchFunction.qml b/tests/auto/qml/qmllint/data/bindingTypeMismatchFunction.qml
new file mode 100644
index 0000000000..74d5be4edb
--- /dev/null
+++ b/tests/auto/qml/qmllint/data/bindingTypeMismatchFunction.qml
@@ -0,0 +1,6 @@
+import QtQuick
+
+Item {
+    function returnsString() : string {}
+    property int number: returnsString()
+}
diff --git a/tests/auto/qml/qmllint/tst_qmllint.cpp b/tests/auto/qml/qmllint/tst_qmllint.cpp
index 7c4ad622cb..83ce4ee432 100644
--- a/tests/auto/qml/qmllint/tst_qmllint.cpp
+++ b/tests/auto/qml/qmllint/tst_qmllint.cpp
@@ -620,6 +620,12 @@ void TestQmllint::dirtyQmlCode_data()
     QTest::newRow("WithStatement")
             << QStringLiteral("WithStatement.qml")
             << QStringLiteral("with statements are strongly discouraged") << QString() << false;
+    QTest::newRow("BindingTypeMismatch")
+            << QStringLiteral("bindingTypeMismatch.qml")
+            << QStringLiteral("Cannot assign binding of type QString to int") << QString() << false;
+    QTest::newRow("BindingTypeMismatchFunction")
+            << QStringLiteral("bindingTypeMismatchFunction.qml")
+            << QStringLiteral("Cannot assign binding of type QString to int") << QString() << false;
 }
 
 void TestQmllint::dirtyQmlCode()