diff --git a/rules.cpp b/rules.cpp
--- a/rules.cpp
+++ b/rules.cpp
@@ -1058,6 +1058,7 @@
     if (!m_config) {
         m_config = KSharedConfig::openConfig(QStringLiteral(KWIN_NAME "rulesrc"), KConfig::NoGlobals);
     }
+    m_config->reparseConfiguration();
     int count = m_config->group("General").readEntry("count", 0);
     for (int i = 1;
             i <= count;