diff --git a/tiling.js b/tiling.js
index 4e98ed707..5f33b64c3 100644
--- a/tiling.js
+++ b/tiling.js
@@ -541,7 +541,7 @@ export class Space extends Array {
 
         const k = column.indexOf(grabWindow);
         if (k < 0) {
-            throw new Error(`Anchor doesn't exist in column ${grabWindow.title}`);
+            throw new Error(`Anchor doesn't exist in column ${grabWindow ? grabWindow.title : "unknown"}`);
         }
 
         const gap = Settings.prefs.window_gap;
@@ -741,7 +741,7 @@ export class Space extends Array {
 
             let resultingWidth, relayout;
             let allocator = allocators && allocators[i];
-            if (inGrab && column.includes(inGrab.window) && !allocator) {
+            if (inGrab && selectedInColumn && column.includes(inGrab.window) && !allocator) {
                 [resultingWidth, relayout] =
                     this.layoutGrabColumn(column, x, y0, targetWidth, availableHeight, time,
                         selectedInColumn);
diff --git a/vm.nix b/vm.nix
index 164621ccd..fca1360bd 100644
--- a/vm.nix
+++ b/vm.nix
@@ -5,6 +5,7 @@
   environment.systemPackages = with pkgs;
   [ paperwm
     (lib.getBin libinput)
+    chromium
   ];
 
   ### Set graphical session to auto-login GNOME
@@ -33,6 +34,15 @@
     ];
   };
 
+  #imports = [ <nixpkgs/nixos/modules/virtualisation/qemu-vm.nix> ];
+  #virtualisation.qemu.options = [
+  #  "-device qxl"
+  #];
+  services.xserver.videoDrivers = [ "qxl" ];
+  virtualisation.qemu.options = [ "-vga qxl" ];
+  virtualisation.memorySize = 8192;
+  virtualisation.cores = 8;
+
   ### Remove unnecessary dependencies
   #NOTE: This drops many GTK4 apps, re-enable if needed for testing.
   services.gnome.core-utilities.enable = false;