diff --git a/libwvdrmengine/oemcrypto/test/fuzz_tests/oemcrypto_generic_verify_fuzz.cc b/libwvdrmengine/oemcrypto/test/fuzz_tests/oemcrypto_generic_verify_fuzz.cc
index 076d3caa..759286d3 100644
--- a/libwvdrmengine/oemcrypto/test/fuzz_tests/oemcrypto_generic_verify_fuzz.cc
+++ b/libwvdrmengine/oemcrypto/test/fuzz_tests/oemcrypto_generic_verify_fuzz.cc
@@ -42,7 +42,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
   license_api_fuzz.LoadLicense();
   OEMCrypto_SelectKey(session->session_id(), session->license().keys[0].key_id,
                       session->license().keys[0].key_id_length,
-                      OEMCrypto_CipherMode_CTR);
+                      OEMCrypto_CipherMode_CENC);
   // Calculate signature for in buffer.
   size_t signature_length = 0;
   OEMCrypto_Generic_Sign(session->session_id(), in_buffer.data(),