diff --git a/.cargo/config.toml b/.cargo/config.toml
index 66222af5..d5a01393 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -3,6 +3,10 @@
 # resolve (ring_core_* symbols). Fix: force cc as linker driver and append
 # -fuse-ld=bfd so it overrides the hardcoded -fuse-ld=lld (last flag wins).
 # bfd is always available via binutils (part of base-devel on Arch).
+#
+# NOTE: When building via makepkg (AUR), RUSTFLAGS from /etc/makepkg.conf
+# overrides target-specific rustflags here. The PKGBUILD's build() applies
+# the same fix by patching the RUSTFLAGS env var directly.
 [target.x86_64-unknown-linux-gnu]
 linker = "cc"
 rustflags = ["-C", "link-arg=-fuse-ld=bfd"]
diff --git a/packages/aur/PKGBUILD b/packages/aur/PKGBUILD
index 89b67b6b..24c13eb5 100644
--- a/packages/aur/PKGBUILD
+++ b/packages/aur/PKGBUILD
@@ -27,6 +27,12 @@ build() {
   export CARGO_HOME="$srcdir/cargo-home"
   export npm_config_cache="$srcdir/npm-cache"
 
+  # ring (used by tauri-plugin-updater → rustls) ships C/asm objects whose
+  # symbols (ring_core_*) lld cannot resolve.  Arch's makepkg.conf bakes
+  # -fuse-ld=lld into RUSTFLAGS which overrides .cargo/config.toml.
+  # Swap lld → bfd (binutils, part of base-devel) so the link succeeds.
+  export RUSTFLAGS="${RUSTFLAGS//-fuse-ld=lld/-fuse-ld=bfd}"
+
   npm install
   npm run tauri:build -- --no-bundle
 }