diff --git a/kcms/baloo/kcm.cpp b/kcms/baloo/kcm.cpp
--- a/kcms/baloo/kcm.cpp
+++ b/kcms/baloo/kcm.cpp
@@ -73,6 +73,8 @@
             this, &ServerConfigModule::onDirectoryListChanged);
     connect(m_enableCheckbox, SIGNAL(stateChanged(int)),
             this, SLOT(changed()));
+    connect(m_enableContentIndexing, SIGNAL(stateChanged(int)),
+            this, SLOT(changed()));
     connect(m_enableCheckbox, SIGNAL(stateChanged(int)),
             this, SLOT(indexingEnabledChanged()));
 }