diff --git a/webapp/path_navigator.html b/webapp/path_navigator.html
index 4b05635..1f865d7 100644
--- a/webapp/path_navigator.html
+++ b/webapp/path_navigator.html
@@ -631,6 +631,7 @@
                 th.style.fontWeight = "normal";
                 th.style.color = "#666";
                 th.style.whiteSpace = "nowrap";
+                th.style.width = "28px";
                 headerRow.appendChild(th);
             });
             table.appendChild(headerRow);
@@ -647,6 +648,7 @@
                     td.style.textAlign = "right";
                     td.style.color = "#888";
                     td.style.whiteSpace = "nowrap";
+                    td.style.width = "28px";
                     if (j === 0) {
                         td.style.textAlign = "left";
                     }