diff --git a/Cargo.toml b/Cargo.toml
index 687c1db..8ef37c6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "wasm-timer"
 edition = "2018"
 description = "Abstraction over std::time::Instant and futures-timer that works on WASM"
-version = "0.2.1"
+version = "0.2.2"
 authors = ["Pierre Krieger <pierre.krieger1708@gmail.com>"]
 license = "MIT"
 repository = "https://github.com/tomaka/wasm-timer"
@@ -12,7 +12,7 @@ futures-preview = "0.3.0-alpha"
 parking_lot = "0.9"
 pin-utils = "0.1.0-alpha.4"
 
-[target.'cfg(any(target_arch = "wasm32"))'.dependencies]
+[target.'cfg(all(target_arch = "wasm32", target_os = "unknown"))'.dependencies]
 js-sys = "0.3.14"
 send_wrapper = "0.2"
 wasm-bindgen = { version = "0.2.37" }
diff --git a/src/lib.rs b/src/lib.rs
index b7e86f7..4c46791 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -20,11 +20,11 @@
 
 pub use timer::*;
 
-#[cfg(not(target_arch = "wasm32"))]
+#[cfg(not(all(target_arch = "wasm32", target_os = "unknown")))]
 pub use std::time::{Instant, SystemTime, UNIX_EPOCH};
-#[cfg(target_arch = "wasm32")]
+#[cfg(all(target_arch = "wasm32", target_os = "unknown"))]
 pub use wasm::*;
 
 mod timer;
-#[cfg(target_arch = "wasm32")]
+#[cfg(all(target_arch = "wasm32", target_os = "unknown"))]
 mod wasm;
diff --git a/src/timer.rs b/src/timer.rs
index 8bf567a..d0cec62 100644
--- a/src/timer.rs
+++ b/src/timer.rs
@@ -537,7 +537,7 @@ impl TimerHandle {
 }
 
 impl Default for TimerHandle {
-    #[cfg(not(target_arch = "wasm32"))]
+    #[cfg(not(all(target_arch = "wasm32", target_os = "unknown")))]
     fn default() -> TimerHandle {
         let mut fallback = HANDLE_FALLBACK.load(SeqCst);
 
@@ -579,7 +579,7 @@ impl Default for TimerHandle {
         }
     }
 
-    #[cfg(target_arch = "wasm32")]
+    #[cfg(all(target_arch = "wasm32", target_os = "unknown"))]
     fn default() -> TimerHandle {
         let mut fallback = HANDLE_FALLBACK.load(SeqCst);
 
diff --git a/src/timer/global.rs b/src/timer/global.rs
index 6854148..6f70c5c 100644
--- a/src/timer/global.rs
+++ b/src/timer/global.rs
@@ -1,8 +1,8 @@
 pub(crate) use self::platform::*;
 
-#[cfg(not(target_arch = "wasm32"))]
+#[cfg(not(all(target_arch = "wasm32", target_os = "unknown")))]
 #[path = "global/desktop.rs"]
 mod platform;
-#[cfg(target_arch = "wasm32")]
+#[cfg(all(target_arch = "wasm32", target_os = "unknown"))]
 #[path = "global/wasm.rs"]
 mod platform;
diff --git a/src/wasm.rs b/src/wasm.rs
index b52cfb1..57ee1e6 100644
--- a/src/wasm.rs
+++ b/src/wasm.rs
@@ -19,7 +19,7 @@
 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-#![cfg(target_arch = "wasm32")]
+#![cfg(all(target_arch = "wasm32", target_os = "unknown"))]
 
 use std::cmp::{Eq, PartialEq, Ord, PartialOrd, Ordering};
 use std::ops::{Add, Sub, AddAssign, SubAssign};