diff --git a/effects/fade/package/contents/code/main.js b/effects/fade/package/contents/code/main.js
--- a/effects/fade/package/contents/code/main.js
+++ b/effects/fade/package/contents/code/main.js
@@ -22,6 +22,7 @@
 var blacklist = [
     // The logout screen has to be animated only by the logout effect.
     "ksmserver ksmserver",
+    "ksmserver-logout-greeter ksmserver-logout-greeter",
 
     // The splash screen has to be animated only by the login effect.
     "ksplashqml ksplashqml",
diff --git a/effects/glide/glide.cpp b/effects/glide/glide.cpp
--- a/effects/glide/glide.cpp
+++ b/effects/glide/glide.cpp
@@ -36,6 +36,7 @@
 
 static const QSet<QString> s_blacklist {
     QStringLiteral("ksmserver ksmserver"),
+    QStringLiteral("ksmserver-logout-greeter ksmserver-logout-greeter"),
     QStringLiteral("ksplashqml ksplashqml"),
     QStringLiteral("ksplashsimple ksplashsimple"),
     QStringLiteral("ksplashx ksplashx")
diff --git a/effects/logout/package/contents/code/main.js b/effects/logout/package/contents/code/main.js
--- a/effects/logout/package/contents/code/main.js
+++ b/effects/logout/package/contents/code/main.js
@@ -30,8 +30,10 @@
     },
     isLogoutWindow: function (window) {
         "use strict";
-        var windowClass = window.windowClass;
-        if (windowClass === "ksmserver ksmserver") {
+        if (window.windowClass === "ksmserver ksmserver") {
+            return true;
+        }
+        if (window.windowClass === "ksmserver-logout-greeter ksmserver-logout-greeter") {
             return true;
         }
         return false;
diff --git a/effects/scale/scale.cpp b/effects/scale/scale.cpp
--- a/effects/scale/scale.cpp
+++ b/effects/scale/scale.cpp
@@ -33,6 +33,7 @@
 static const QSet<QString> s_blacklist {
     // The logout screen has to be animated only by the logout effect.
     QStringLiteral("ksmserver ksmserver"),
+    QStringLiteral("ksmserver-logout-greeter ksmserver-logout-greeter"),
 
     // KDE Plasma splash screen has to be animated only by the login effect.
     QStringLiteral("ksplashqml ksplashqml"),