diff --git a/lib/emscripten/src/emscripten_target.rs b/lib/emscripten/src/emscripten_target.rs
index f12d681f9..1f26f9b3c 100644
--- a/lib/emscripten/src/emscripten_target.rs
+++ b/lib/emscripten/src/emscripten_target.rs
@@ -161,6 +161,10 @@ pub fn _pthread_join(_ctx: &mut Ctx, _a: i32, _b: i32) -> i32 {
     trace!("emscripten::_pthread_join");
     0
 }
+pub fn _pthread_self(_ctx: &mut Ctx) -> i32 {
+    trace!("emscripten::_pthread_self");
+    0
+}
 pub fn _pthread_key_create(_ctx: &mut Ctx, _a: i32, _b: i32) -> i32 {
     trace!("emscripten::_pthread_key_create");
     0
diff --git a/lib/emscripten/src/lib.rs b/lib/emscripten/src/lib.rs
index 802713f1c..b0753896c 100644
--- a/lib/emscripten/src/lib.rs
+++ b/lib/emscripten/src/lib.rs
@@ -884,6 +884,7 @@ pub fn generate_emscripten_env(globals: &mut EmscriptenGlobals) -> ImportObject
         "_pthread_detach" => func!(crate::emscripten_target::_pthread_detach),
         "_pthread_equal" => func!(crate::emscripten_target::_pthread_equal),
         "_pthread_exit" => func!(crate::emscripten_target::_pthread_exit),
+        "_pthread_self" => func!(crate::emscripten_target::_pthread_self),
         "_pthread_getattr_np" => func!(crate::emscripten_target::_pthread_getattr_np),
         "_pthread_getspecific" => func!(crate::emscripten_target::_pthread_getspecific),
         "_pthread_join" => func!(crate::emscripten_target::_pthread_join),