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
@@ -114,3 +114,27 @@
         }
     }
 });
+
+// On X11, the fade effect is false triggered when switching between virtual
+// desktops. Though if there is an active full screen effect, e.g. the slide
+// effect, then it won't be false triggered.
+effects['desktopChanged(int,int)'].connect(function () {
+    if (effects.hasActiveFullScreenEffect) {
+        return;
+    }
+    var windows = effects.stackingOrder;
+    for (var i = 0; i < windows.length; ++i) {
+        var window = windows[i];
+        if (!window.x11Client) {
+            continue;
+        }
+        if (window.fadeInWindowTypeAnimation) {
+            cancel(window.fadeInWindowTypeAnimation);
+            window.fadeInWindowTypeAnimation = undefined;
+        }
+        if (window.fadeOutWindowTypeAnimation) {
+            cancel(window.fadeOutWindowTypeAnimation);
+            window.fadeOutWindowTypeAnimation = undefined;
+        }
+    }
+});