diff --git a/gni/v8.gni b/gni/v8.gni
index 78e8824705..63e324c549 100644
--- a/gni/v8.gni
+++ b/gni/v8.gni
@@ -39,7 +39,10 @@ declare_args() {
   # https://v8.dev/blog/custom-startup-snapshots
   # TODO(thakis): Make snapshots work in 64-bit win/cross builds,
   # https://803591
-  v8_use_snapshot = !(is_win && host_os != "win" && target_cpu == "x64")
+  # On Mac hosts, 32-bit builds targeting Windows can't use snapshots, see
+  # https://crbug.com/794838
+  v8_use_snapshot = !(is_win && host_os != "win" && target_cpu == "x64") &&
+                    !(is_win && host_os == "mac" && target_cpu == "x86")
 
   # Enable several snapshots side-by-side (e.g. default and for trusted code).
   v8_use_multi_snapshots = false