diff --git a/server/src/atlas/heightmap.rs b/server/src/atlas/heightmap.rs
index 9646ace52..852155268 100644
--- a/server/src/atlas/heightmap.rs
+++ b/server/src/atlas/heightmap.rs
@@ -304,7 +304,10 @@ mod tests {
 
         let same = hm.downsample(2, 2);
         assert_eq!((same.width, same.height), (2, 2));
-        assert_eq!(same.data, hm.data, "equal-size downsample must be an identity clone");
+        assert_eq!(
+            same.data, hm.data,
+            "equal-size downsample must be an identity clone"
+        );
 
         let larger = hm.downsample(8, 8);
         assert_eq!(
@@ -313,7 +316,10 @@ mod tests {
             "downsample must early-return the original dims (no upsampling) when the \
              target is larger than the source"
         );
-        assert_eq!(larger.data, hm.data, "upsample request must be an identity clone");
+        assert_eq!(
+            larger.data, hm.data,
+            "upsample request must be an identity clone"
+        );
     }
 
     #[test]