diff --git a/src/ui/qgsoptionsbase.ui b/src/ui/qgsoptionsbase.ui
index acba84c72cd..3ba50b0e16c 100644
--- a/src/ui/qgsoptionsbase.ui
+++ b/src/ui/qgsoptionsbase.ui
@@ -657,7 +657,7 @@
                       <property name="text">
                        <string>Modeless data source manager dialog</string>
                       </property>
-                      <property name="tooltip">
+                      <property name="toolTip">
                        <string>A modeless dialog allows you to interact with QGIS main window and dialogs.</string>
                       </property>
                      </widget>