diff --git a/.cargo/config.toml b/.cargo/config.toml
index 78fb7e9..275e984 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -7,7 +7,9 @@ rustflags = [
 ]
 runner = "node"
 
-[target.'cfg(linux)']
+# despite being semantically identical to `target_os = "linux"`, the `cfg(linux)` syntax is not supported here. Who knows why...\
+# https://github.com/Xevion/Pac-Man/actions/runs/17596477856
+[target.'cfg(target_os = "linux")']
 rustflags = [
     # Manually link zlib.
     # The `sdl2` crate's build script uses `libpng`, which requires `zlib`.