diff --git a/src/test/app/ConsensusEntropy_test.cpp b/src/test/app/ConsensusEntropy_test.cpp
index 24c136236..95166476a 100644
--- a/src/test/app/ConsensusEntropy_test.cpp
+++ b/src/test/app/ConsensusEntropy_test.cpp
@@ -538,7 +538,10 @@ class ConsensusEntropy_test : public beast::unit_test::suite
                 if (bad_random_tier != INVALID_ARGUMENT)
                     return accept(0, 0, bad_random_tier);
 
-                return accept(0, 0, 0);
+                // Sentinel distinct from any dice (0..5) / random result and
+                // from INVALID_ARGUMENT, so a regression that lets a bad
+                // requirement through returns its own code, not this one.
+                return accept(0, 0, 42);
             }
         )[test.hook]"];
 
@@ -559,7 +562,9 @@ class ConsensusEntropy_test : public beast::unit_test::suite
         auto const hookExecutions = meta->getFieldArray(sfHookExecutions);
         BEAST_REQUIRE(hookExecutions.size() == 1);
 
-        BEAST_EXPECT(hookReturnCode(hookExecutions[0]) == 0);
+        // 42 only if all four invalid requirements were rejected; any bad
+        // requirement leaking through returns its own (non-42) code.
+        BEAST_EXPECT(hookReturnCode(hookExecutions[0]) == 42);
         BEAST_EXPECT(hookExecutions[0].getFieldU8(sfHookResult) == 3);
     }
 
diff --git a/src/test/app/ConsensusEntropy_test_hooks.h b/src/test/app/ConsensusEntropy_test_hooks.h
index 72e3231e3..39f16ffec 100644
--- a/src/test/app/ConsensusEntropy_test_hooks.h
+++ b/src/test/app/ConsensusEntropy_test_hooks.h
@@ -280,7 +280,10 @@ inline std::map<std::string, std::vector<uint8_t>> consensusentropy_test_wasm =
                 if (bad_random_tier != INVALID_ARGUMENT)
                     return accept(0, 0, bad_random_tier);
 
-                return accept(0, 0, 0);
+                // Sentinel distinct from any dice (0..5) / random result and
+                // from INVALID_ARGUMENT, so a regression that lets a bad
+                // requirement through returns its own code, not this one.
+                return accept(0, 0, 42);
             }
         )[test.hook]",
          {
@@ -313,7 +316,7 @@ inline std::map<std::string, std::vector<uint8_t>> consensusentropy_test_wasm =
              0x04U, 0x41U, 0x00U, 0x10U, 0x03U, 0x22U, 0x01U, 0x42U, 0x79U,
              0x52U, 0x04U, 0x40U, 0x41U, 0x00U, 0x41U, 0x00U, 0x20U, 0x01U,
              0x10U, 0x02U, 0x0CU, 0x01U, 0x0BU, 0x41U, 0x00U, 0x41U, 0x00U,
-             0x42U, 0x00U, 0x10U, 0x02U, 0x0BU, 0x21U, 0x01U, 0x20U, 0x00U,
+             0x42U, 0x2AU, 0x10U, 0x02U, 0x0BU, 0x21U, 0x01U, 0x20U, 0x00U,
              0x41U, 0x20U, 0x6AU, 0x24U, 0x00U, 0x20U, 0x01U, 0x0BU,
          }},