diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d7de0153..e1bcb5132 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -39,6 +39,7 @@ _Breaking developer changes, which may affect downstream projects or sites that
 
 #### :sparkles: Usability & Accessibility
 * Show full relation label as hover-text in _membership editor_, disambiguate relations with duplicate labels by appending the relation id ([#10492])
+* More consistently round non-integer initial zoom when zooming in/out when using the zoom buttons or `+`/`-` keyboard shortcuts
 #### :scissors: Operations
 * Preserve the sum of certain tags (`step_count`, `parking:*:capacity`) during _join_ operation ([#10492], thanks [@ChaitanyaKadu03])
 * Preserve total value of `parking:*:capacity` tags during _split_ operation by distributing it proportionally to the resulting ways ([#10492])
diff --git a/modules/renderer/map.js b/modules/renderer/map.js
index b5d71a369..6141f24ba 100644
--- a/modules/renderer/map.js
+++ b/modules/renderer/map.js
@@ -825,11 +825,11 @@ export function rendererMap(context) {
 
 
     function zoomIn(delta) {
-        setCenterZoom(map.center(), ~~map.zoom() + delta, 250, true);
+        setCenterZoom(map.center(), Math.trunc(map.zoom() + 0.45) + delta, 150, true);
     }
 
     function zoomOut(delta) {
-        setCenterZoom(map.center(), ~~map.zoom() - delta, 250, true);
+        setCenterZoom(map.center(), Math.ceil(map.zoom() - 0.45) - delta, 150, true);
     }
 
     map.zoomIn = function() { zoomIn(1); };