diff --git a/Cargo.toml b/Cargo.toml
index e73f80dd513311e4a5edbfbd222119018ecbd90c..4f57c9def534e297aaefd672b0a61311cd1169cb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,6 +13,10 @@ wgpu = "30.0.1"
 [patch.crates-io]
 sctk-adwaita = { path = "vendor/sctk-adwaita" }
 
+[profile.release]
+lto = "fat"
+codegen-units = 1
+
 # Shaping, rasterization and GPU submission stay optimised in debug builds, where
 # unoptimised dependencies alone drop frames.
 [profile.dev.package."*"]
diff --git a/tools/release_web.py b/tools/release_web.py
index faca19e7b9cc4091c1850a7e323125b941761df5..cbfd344d988b1a8713259fb5ba2debfd8a1abe4c 100644
--- a/tools/release_web.py
+++ b/tools/release_web.py
@@ -22,8 +22,7 @@ PUBLISHED = Path('/Volumes/clover/Documents/Public/Snowbound/web')
 # copyparty lists the folder itself, so the app is at its index.html.
 URL = 'https://file.paperclover.net/shr/snowbound/web/index.html'
 # Size over speed where it costs little: the module is most of the first load.
-PROFILE = ['--config', 'profile.release.lto=true', '--config', 'profile.release.codegen-units=1',
-           '--config', 'profile.release.opt-level="s"']
+PROFILE = ['--config', 'profile.release.opt-level="s"']
 
 
 def run(command, **kwargs):