diff --git a/src/test/unit/mcmc/chainset_test.cpp b/src/test/unit/mcmc/chainset_test.cpp
index 27b2cc52c0..c334870899 100644
--- a/src/test/unit/mcmc/chainset_test.cpp
+++ b/src/test/unit/mcmc/chainset_test.cpp
@@ -238,12 +238,18 @@ TEST_F(McmcChains, summary_stats) {
   // test against R implementation in pkg posterior (via cmdstanr)
   Eigen::VectorXd s8_mean(10), s8_median(10), s8_sd(10), s8_mad(10), s8_q5(10),
       s8_q95(10);
-  s8_mean << 7.9521, 12.5353, 7.8192, 5.3280, 7.0912, 4.1186, 5.7168, 11.6524, 8.7999, 8.2576;
-  s8_median << 8.0022, 11.2668,  7.3903,  5.4445,  6.6407,  4.5394,  5.9275, 11.3828,  8.2815,  7.0482;
-  s8_sd << 5.4815, 9.5707, 6.8468, 8.3925, 6.9054, 6.5684, 6.8479, 7.7581, 8.3962, 5.5285;
-  s8_mad << 5.4883, 8.7866, 6.3884, 7.3821, 5.9796, 6.2451, 6.5869, 7.7937, 7.5919, 4.6552;
-  s8_q5 << -0.46348, -0.39469, -3.03780, -8.90229, -3.30596, -7.58377, -5.84182, 0.10131, -4.15281, 2.08010;
-  s8_q95 << 17.010, 30.466, 19.249, 19.018, 18.724, 14.486, 16.042, 25.769, 22.705, 18.742;
+  s8_mean << 7.9521, 12.5353, 7.8192, 5.3280, 7.0912, 4.1186, 5.7168, 11.6524,
+      8.7999, 8.2576;
+  s8_median << 8.0022, 11.2668, 7.3903, 5.4445, 6.6407, 4.5394, 5.9275, 11.3828,
+      8.2815, 7.0482;
+  s8_sd << 5.4815, 9.5707, 6.8468, 8.3925, 6.9054, 6.5684, 6.8479, 7.7581,
+      8.3962, 5.5285;
+  s8_mad << 5.4883, 8.7866, 6.3884, 7.3821, 5.9796, 6.2451, 6.5869, 7.7937,
+      7.5919, 4.6552;
+  s8_q5 << -0.46348, -0.39469, -3.03780, -8.90229, -3.30596, -7.58377, -5.84182,
+      0.10131, -4.15281, 2.08010;
+  s8_q95 << 17.010, 30.466, 19.249, 19.018, 18.724, 14.486, 16.042, 25.769,
+      22.705, 18.742;
   Eigen::VectorXd probs(3);
   probs << 0.05, 0.5, 0.95;