diff --git a/src/unix/linux_like/emscripten/align.rs b/src/unix/linux_like/emscripten/align.rs
index 141570f88ffb9c0aa216745722353039ba5dabc7..b9ea3f39efdf5dceabea9be62387e702b58d62d0 100644
--- a/src/unix/linux_like/emscripten/align.rs
+++ b/src/unix/linux_like/emscripten/align.rs
@@ -38,9 +38,9 @@ macro_rules! expand_align {
             }
 
             #[allow(missing_debug_implementations)]
-            #[repr(align(8))]
+            #[repr(align(16))]
             pub struct max_align_t {
-                priv_: [f64; 2]
+                priv_: [f64; 4]
             }
 
         }