diff --git a/ChangeLog b/ChangeLog
index 122f2f1568..08112b09d5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,7 @@ phpMyAdmin - ChangeLog
 - bug #4616 Warning in db structure print view page
 - bug       Undefined index navwork, savedsearcheswork, fields
 - bug #4620 Undefined index while adding to the central columns list
+- bug #4618 Page scrolls while GIS visualization is zoomed in/out with mousewheel
 
 4.3.0.0 (not yet released)
 + rfe #1502 Smart sorting for int keys
diff --git a/js/tbl_gis_visualization.js b/js/tbl_gis_visualization.js
index 38516d56e6..9185e5f5da 100644
--- a/js/tbl_gis_visualization.js
+++ b/js/tbl_gis_visualization.js
@@ -215,6 +215,7 @@ AJAX.registerOnload('tbl_gis_visualization.js', function () {
     });
 
     $('#placeholder').live('mousewheel', function (event, delta) {
+        event.preventDefault();
         var relCoords = getRelativeCoords(event);
         if (delta > 0) {
             //zoom in