diff --git a/python/core/auto_generated/qgsmaplayer.sip.in b/python/core/auto_generated/qgsmaplayer.sip.in
index 480915b632e..2b93bf2492b 100644
--- a/python/core/auto_generated/qgsmaplayer.sip.in
+++ b/python/core/auto_generated/qgsmaplayer.sip.in
@@ -1419,7 +1419,7 @@ Sets the coordinate transform context to ``transformContext``
 
     SIP_PYOBJECT __repr__();
 %MethodCode
-    QString str = QStringLiteral( "<QgsMapLayer: '%1' (%2)>" ).arg( sipCpp->name(), sipCpp->dataProvider()->name() );
+    QString str = QStringLiteral( "<QgsMapLayer: '%1' (%2)>" ).arg( sipCpp->name(), sipCpp->dataProvider() ? sipCpp->dataProvider()->name() : QStringLiteral( "Invalid" ) );
     sipRes = PyUnicode_FromString( str.toUtf8().constData() );
 %End
 
diff --git a/src/core/qgsmaplayer.h b/src/core/qgsmaplayer.h
index 90f65cc83e0..d480e54f1cb 100644
--- a/src/core/qgsmaplayer.h
+++ b/src/core/qgsmaplayer.h
@@ -1273,7 +1273,7 @@ class CORE_EXPORT QgsMapLayer : public QObject
 #ifdef SIP_RUN
     SIP_PYOBJECT __repr__();
     % MethodCode
-    QString str = QStringLiteral( "<QgsMapLayer: '%1' (%2)>" ).arg( sipCpp->name(), sipCpp->dataProvider()->name() );
+    QString str = QStringLiteral( "<QgsMapLayer: '%1' (%2)>" ).arg( sipCpp->name(), sipCpp->dataProvider() ? sipCpp->dataProvider()->name() : QStringLiteral( "Invalid" ) );
     sipRes = PyUnicode_FromString( str.toUtf8().constData() );
     % End
 #endif