diff --git a/crates/kernel/src/bridge.rs b/crates/kernel/src/bridge.rs
index f76860cb36..9af6ee4ff3 100644
--- a/crates/kernel/src/bridge.rs
+++ b/crates/kernel/src/bridge.rs
@@ -490,8 +490,9 @@ impl Support {
             let d3 = (f0 * -5.0 + f1 * 18.0 + f2 * -24.0 + f3 * 14.0 + f4 * -3.0) * (1.0 / (2.0 * h * h * h));
             (d1, d2, d3)
         } else {
-            let d1 = (f0 * -1.0 + f1 * 8.0 + f3 * -8.0 + f4) * (1.0 / (12.0 * h));
-            let d2 = (f0 + f1 * -16.0 + f2 * 30.0 + f3 * -16.0 + f4) * (1.0 / (12.0 * h * h));
+            // Five-point central differences at the middle sample f2.
+            let d1 = (f0 + f1 * -8.0 + f3 * 8.0 + f4 * -1.0) * (1.0 / (12.0 * h));
+            let d2 = (f0 * -1.0 + f1 * 16.0 + f2 * -30.0 + f3 * 16.0 + f4 * -1.0) * (1.0 / (12.0 * h * h));
             let d3 = (f0 * -1.0 + f1 * 2.0 + f3 * -2.0 + f4) * (1.0 / (2.0 * h * h * h));
             (d1, d2, d3)
         };