diff --git a/src/test_suite/fuzz_context.py b/src/test_suite/fuzz_context.py
index 4f2a556..d820086 100644
--- a/src/test_suite/fuzz_context.py
+++ b/src/test_suite/fuzz_context.py
@@ -14,7 +14,7 @@
     context_human_encode_fn=instr_codec.encode_input,
     context_human_decode_fn=instr_codec.decode_input,
     effects_human_encode_fn=instr_codec.encode_output,
-    ignore_fields_for_consensus=["custom_err"],
+    ignore_fields_for_consensus=["custom_err", "cu_avail"],
 )
 
 SyscallHarness = HarnessCtx(