diff --git a/core/src/lib.rs b/core/src/lib.rs
index 27087f47..4845356e 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -46,7 +46,7 @@
 #![cfg_attr(
     all(
         feature = "nightly",
-        target_arch = "wasm32",
+        target_family = "wasm",
         target_feature = "atomics"
     ),
     feature(stdsimd)
diff --git a/core/src/parking_lot.rs b/core/src/parking_lot.rs
index da6c972f..9b845258 100644
--- a/core/src/parking_lot.rs
+++ b/core/src/parking_lot.rs
@@ -18,7 +18,7 @@ use std::time::{Duration, Instant};
 // Don't use Instant on wasm32-unknown-unknown, it just panics.
 cfg_if::cfg_if! {
     if #[cfg(all(
-        target_arch = "wasm32",
+        target_family = "wasm",
         target_os = "unknown",
         target_vendor = "unknown"
     ))] {
diff --git a/core/src/thread_parker/mod.rs b/core/src/thread_parker/mod.rs
index 544c2262..fc162f4c 100644
--- a/core/src/thread_parker/mod.rs
+++ b/core/src/thread_parker/mod.rs
@@ -68,12 +68,12 @@ cfg_if! {
         mod imp;
     } else if #[cfg(all(
         feature = "nightly",
-        target_arch = "wasm32",
+        target_family = "wasm",
         target_feature = "atomics"
     ))] {
         #[path = "wasm_atomic.rs"]
         mod imp;
-    } else if #[cfg(target_arch = "wasm32")] {
+    } else if #[cfg(target_family = "wasm")] {
         #[path = "wasm.rs"]
         mod imp;
     } else {