diff --git a/rust2rpm/cfg.py b/rust2rpm/cfg.py
index cd164db..f167064 100644
--- a/rust2rpm/cfg.py
+++ b/rust2rpm/cfg.py
@@ -68,7 +68,7 @@ def evaluate_predicate(name: str, value: str) -> bool:
             # Needs to be ignored, as we cannot generate patches that are
             # different depending on the host architecture - except if the
             # target architecture is "wasm32", which we don't support.
-            return value != "wasm32"
+            return value not in ["wasm32", "wasm64"]
 
         case "target_feature":
             # The "target_feature" predicate can be ignored as well, since the