diff --git a/TODO.md b/TODO.md
index b9cd4cfd6..884992c8a 100644
--- a/TODO.md
+++ b/TODO.md
@@ -36,3 +36,5 @@ made possible by Thorium > Chromium
 Experiments > Thorium Experiments
 
 Add captive portals patch > https://github.com/uazo/cromite/blob/master/build/patches/Remove-detection-of-captive-portals.patch
+
+Restore JXL support on Android.
diff --git a/arm/build/config/compiler/BUILD.gn b/arm/build/config/compiler/BUILD.gn
index dbf6edf11..b6c7cc520 100644
--- a/arm/build/config/compiler/BUILD.gn
+++ b/arm/build/config/compiler/BUILD.gn
@@ -1049,9 +1049,12 @@ config("compiler") {
 
     # Full RUSTC optimizations.
     "-Copt-level=3",
-    "-Cllvm-args=-fp-contract=fast",
   ]
 
+  if (current_cpu == "arm64") {
+    rustflags += [ "-Cllvm-args=-fp-contract=fast", ]
+  }
+
   if (!is_win || force_rustc_color_output) {
     # Colorize error output. The analogous flag is passed for clang. This must
     # be platform-gated since rustc will unconditionally output ANSI escape