diff --git a/src/gui/labeling/qgslabelingengineruleswidget.cpp b/src/gui/labeling/qgslabelingengineruleswidget.cpp
index 1ef812863a6e..7780f88b1be6 100644
--- a/src/gui/labeling/qgslabelingengineruleswidget.cpp
+++ b/src/gui/labeling/qgslabelingengineruleswidget.cpp
@@ -20,6 +20,7 @@
 #include "qgslabelingenginerule.h"
 #include "qgslabelingenginerulewidget.h"
 #include "qgsgui.h"
+#include "qgshelp.h"
 
 #include <QMenu>
 #include <QAction>
@@ -408,7 +409,7 @@ QgsLabelingEngineRulesDialog::QgsLabelingEngineRulesDialog( QWidget *parent, Qt:
   QVBoxLayout *layout = new QVBoxLayout( this );
   layout->addWidget( mWidget );
 
-  mButtonBox = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel, Qt::Horizontal, this );
+  mButtonBox = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel | QDialogButtonBox::Help, Qt::Horizontal, this );
   layout->addWidget( mButtonBox );
 
   setLayout( layout );
@@ -416,6 +417,9 @@ QgsLabelingEngineRulesDialog::QgsLabelingEngineRulesDialog( QWidget *parent, Qt:
 
   connect( mButtonBox->button( QDialogButtonBox::Ok ), &QAbstractButton::clicked, this, &QDialog::accept );
   connect( mButtonBox->button( QDialogButtonBox::Cancel ), &QAbstractButton::clicked, this, &QDialog::reject );
+  connect( mButtonBox, &QDialogButtonBox::helpRequested, this, [=] {
+    QgsHelp::openHelp( QStringLiteral( "working_with_vector/vector_properties.html#labeling-rules" ) );
+  } );
 }
 
 void QgsLabelingEngineRulesDialog::setRules( const QList<QgsAbstractLabelingEngineRule *> &rules )
diff --git a/src/gui/labeling/qgslabelingenginerulewidget.cpp b/src/gui/labeling/qgslabelingenginerulewidget.cpp
index 806a70be6632..c90ddd4b2393 100644
--- a/src/gui/labeling/qgslabelingenginerulewidget.cpp
+++ b/src/gui/labeling/qgslabelingenginerulewidget.cpp
@@ -17,6 +17,7 @@
 #include "moc_qgslabelingenginerulewidget.cpp"
 #include "qgslabelingenginerule_impl.h"
 #include "qgsgui.h"
+#include "qgshelp.h"
 
 #include <QDialogButtonBox>
 #include <QPushButton>
@@ -36,7 +37,7 @@ QgsLabelingEngineRuleDialog::QgsLabelingEngineRuleDialog( QgsLabelingEngineRuleW
   QVBoxLayout *layout = new QVBoxLayout( this );
   layout->addWidget( mWidget );
 
-  mButtonBox = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel, Qt::Horizontal, this );
+  mButtonBox = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel | QDialogButtonBox::Help, Qt::Horizontal, this );
   layout->addWidget( mButtonBox );
 
   setLayout( layout );
@@ -44,6 +45,9 @@ QgsLabelingEngineRuleDialog::QgsLabelingEngineRuleDialog( QgsLabelingEngineRuleW
 
   connect( mButtonBox->button( QDialogButtonBox::Ok ), &QAbstractButton::clicked, this, &QDialog::accept );
   connect( mButtonBox->button( QDialogButtonBox::Cancel ), &QAbstractButton::clicked, this, &QDialog::reject );
+  connect( mButtonBox, &QDialogButtonBox::helpRequested, this, [=] {
+    QgsHelp::openHelp( QStringLiteral( "working_with_vector/vector_properties.html#labeling-rules" ) );
+  } );
 }
 
 void QgsLabelingEngineRuleDialog::setRule( const QgsAbstractLabelingEngineRule *rule )
diff --git a/src/ui/labeling/qgslabelingengineruleswidgetbase.ui b/src/ui/labeling/qgslabelingengineruleswidgetbase.ui
index 89058051ea53..95ff5c7ce7a7 100644
--- a/src/ui/labeling/qgslabelingengineruleswidgetbase.ui
+++ b/src/ui/labeling/qgslabelingengineruleswidgetbase.ui
@@ -105,7 +105,6 @@
  </widget>
  <resources>
   <include location="../../../images/images.qrc"/>
-  <include location="../../../images/images.qrc"/>
  </resources>
  <connections/>
 </ui>