diff --git a/dotfiles/zshrc b/dotfiles/zshrc
index 3d7d9e8..5758856 100644
--- a/dotfiles/zshrc
+++ b/dotfiles/zshrc
@@ -43,7 +43,8 @@ if [[ "$OSTYPE" =~ ^linux.*$ ]]; then
     # Signal to xdg-desktop-portal that we're on Sway
     export XDG_CURRENT_DESKTOP=sway
     # 2023-12-27: use Vulkan renderer in Sway
-    export WLR_RENDERER=vulkan
+    # 2024-03-23: still buggy
+    #export WLR_RENDERER=vulkan
 
     # 2023-02-05: tell pip/poetry not to probe for keyrings. I'm not publishing
     # packages to pypi.org and the popup during pip/poetry install is annoying.