diff --git a/wayland-backend/build.rs b/wayland-backend/build.rs
index 76fe07af047..877b9fcdbb9 100644
--- a/wayland-backend/build.rs
+++ b/wayland-backend/build.rs
@@ -1,4 +1,6 @@
 fn main() {
+    println!("cargo:rustc-check-cfg=cfg(coverage)");
+
     if std::env::var("CARGO_FEATURE_LOG").ok().is_some() {
         // build the client shim
         cc::Build::new().file("src/sys/client_impl/log_shim.c").compile("log_shim_client");
diff --git a/wayland-client/build.rs b/wayland-client/build.rs
new file mode 100644
index 00000000000..b7469d193cf
--- /dev/null
+++ b/wayland-client/build.rs
@@ -0,0 +1,3 @@
+fn main() {
+    println!("cargo:rustc-check-cfg=cfg(coverage)");
+}