diff --git a/tests/core/pyspec/eth2spec/test/helpers/execution_payload.py b/tests/core/pyspec/eth2spec/test/helpers/execution_payload.py
index dbfd29e67..b061f506a 100644
--- a/tests/core/pyspec/eth2spec/test/helpers/execution_payload.py
+++ b/tests/core/pyspec/eth2spec/test/helpers/execution_payload.py
@@ -263,9 +263,9 @@ def build_randomized_execution_payload(spec, state, rng):
     execution_payload.logs_bloom = spec.ByteVector[spec.BYTES_PER_LOGS_BLOOM](
         get_random_bytes_list(rng, spec.BYTES_PER_LOGS_BLOOM)
     )
-    execution_payload.block_number = rng.randint(0, 10e10)
-    execution_payload.gas_limit = rng.randint(0, 10e10)
-    execution_payload.gas_used = rng.randint(0, 10e10)
+    execution_payload.block_number = rng.randint(0, int(10e10))
+    execution_payload.gas_limit = rng.randint(0, int(10e10))
+    execution_payload.gas_used = rng.randint(0, int(10e10))
     extra_data_length = rng.randint(0, spec.MAX_EXTRA_DATA_BYTES)
     execution_payload.extra_data = spec.ByteList[spec.MAX_EXTRA_DATA_BYTES](
         get_random_bytes_list(rng, extra_data_length)