Detect the current active screen based tray icon location

2 files changed, 8 insertions, 2 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97c76bd4af..5774c87369 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -38,6 +38,9 @@ Line wrap the file at 100 chars.                                              Th
 - The CLI command to list relays is now shorter, `mullvad relay list` instead of
   `mullvad relay list locations`.
 
+### Fixed
+- Fix incorrect window position when using external display.
+
 
 ## [2018.2] - 2018-08-13
 This release is identical to 2018.2-beta3
diff --git a/gui/packages/desktop/src/main/window-controller.js b/gui/packages/desktop/src/main/window-controller.js
index 9e30529dda..dc6165c5f3 100644
--- a/gui/packages/desktop/src/main/window-controller.js
+++ b/gui/packages/desktop/src/main/window-controller.js
@@ -36,8 +36,11 @@ class AttachedToTrayWindowPositioning implements WindowPositioning {
     const windowBounds = window.getBounds();
     const trayBounds = this._tray.getBounds();
 
-    const primaryDisplay = screen.getPrimaryDisplay();
-    const workArea = primaryDisplay.workArea;
+    const activeDisplay = screen.getDisplayNearestPoint({
+      x: trayBounds.x,
+      y: trayBounds.y,
+    });
+    const workArea = activeDisplay.workArea;
     const placement = this._getTrayPlacement();
     const maxX = workArea.x + workArea.width - windowBounds.width;
     const maxY = workArea.y + workArea.height - windowBounds.height;