diff --git a/src/sfizz/Messaging.cpp b/src/sfizz/Messaging.cpp
index 17d63081..cc5e3ea9 100644
--- a/src/sfizz/Messaging.cpp
+++ b/src/sfizz/Messaging.cpp
@@ -11,9 +11,10 @@
 #include <cstring>
 
 // ensure that `sfizz_arg_t` has the same storage characteristics as `int64_t`
+// Note(jpc) alignment checks fail on old gcc i386
 static_assert(
-    sizeof(sfizz_arg_t) == sizeof(int64_t) &&
-    alignof(sfizz_arg_t) == alignof(int64_t),
+    sizeof(sfizz_arg_t) == sizeof(int64_t) /* &&
+    alignof(sfizz_arg_t) == alignof(int64_t) */,
     "The ABI stability check has failed.");
 
 template <class T>