diff --git a/tests/state_test_util.go b/tests/state_test_util.go
index 1d6cc8db70..3c1df35157 100644
--- a/tests/state_test_util.go
+++ b/tests/state_test_util.go
@@ -234,6 +234,20 @@ func (t *StateTest) Run(subtest StateSubtest, vmconfig vm.Config, snapshotter bo
 	if err != nil {
 		// Here, an error exists but it was expected.
 		// We do not check the post state or logs.
+		// However, if the test defines a post state root, we should check it.
+		// In case of an error, the state is reverted to the snapshot, so we need to
+		// recalculate the root.
+		post := t.json.Post[subtest.Fork][subtest.Index]
+		if post.Root != (common.UnprefixedHash{}) {
+			config, _, err := GetChainConfig(subtest.Fork)
+			if err != nil {
+				return fmt.Errorf("failed to get chain config: %w", err)
+			}
+			root = st.StateDB.IntermediateRoot(config.IsEIP158(new(big.Int).SetUint64(t.json.Env.Number)))
+			if root != common.Hash(post.Root) {
+				return fmt.Errorf("post-state root does not match the pre-state root, indicates an error in the test: got %x, want %x", root, post.Root)
+			}
+		}
 		return nil
 	}
 	post := t.json.Post[subtest.Fork][subtest.Index]