diff --git a/template/iface_fuzzer_test/iface_fuzzer_test.py b/template/iface_fuzzer_test/iface_fuzzer_test.py
index 8dde8f4..35fd53b 100644
--- a/template/iface_fuzzer_test/iface_fuzzer_test.py
+++ b/template/iface_fuzzer_test/iface_fuzzer_test.py
@@ -111,7 +111,7 @@
             }
             libfuzzer_params = config.FUZZER_DEFAULT_PARAMS.copy()
             libfuzzer_params.update({
-                'max_len': 16777216,
+                'max_len': 67108864,
                 'max_total_time': 600,
             })
             bin_host_path = os.path.join(self.data_file_path, 'DATA', 'bin',