diff --git a/browser-extensions/chrome/manifest.json b/browser-extensions/chrome/manifest.json
index 9ae9c69..1ffe418 100644
--- a/browser-extensions/chrome/manifest.json
+++ b/browser-extensions/chrome/manifest.json
@@ -2,7 +2,7 @@
   "manifest_version": 3,
   "author": "Lee Wannacott",
   "name": "table-sort-js",
-  "version": "1.18.2",
+  "version": "1.18.3",
   "description": "Makes tables sortable using table-sort-js: https://github.com/LeeWannacott/table-sort-js",
   "icons": { "48": "icons/t.png" },
   "browser_action": {
diff --git a/browser-extensions/chrome/table-sort-js.zip b/browser-extensions/chrome/table-sort-js.zip
index 9a0a3ba..67a3ee3 100644
Binary files a/browser-extensions/chrome/table-sort-js.zip and b/browser-extensions/chrome/table-sort-js.zip differ
diff --git a/browser-extensions/chrome/table-sort.js b/browser-extensions/chrome/table-sort.js
index d6a335a..345a4bf 100644
--- a/browser-extensions/chrome/table-sort.js
+++ b/browser-extensions/chrome/table-sort.js
@@ -383,7 +383,8 @@ function tableSortJs(testingTableSortJS = false, domDocumentWindow = document) {
       return sortAscending(b, a);
     }
 
-    function clearArrows(arrowUp = "▲", arrowDown = "▼") {
+    function clearArrows(arrowUp, arrowDown, initialArrow = "↕") {
+      th.innerHTML = th.innerHTML.replace(initialArrow, "");
       th.innerHTML = th.innerHTML.replace(arrowUp, "");
       th.innerHTML = th.innerHTML.replace(arrowDown, "");
     }
@@ -515,13 +516,12 @@ function tableSortJs(testingTableSortJS = false, domDocumentWindow = document) {
     columnIndexesClicked
   ) {
     const desc = th.classList.contains("order-by-desc");
-    const arrow = { up: " ▲", down: " ▼" };
+    const initialArrow = " ↕";
+    const arrow = { up: " ↑", down: " ↓" };
     const fillValue = "!X!Y!Z!";
 
-    if (desc && table.hasClass.tableArrows) {
-      th.insertAdjacentText("beforeend", arrow.down);
-    } else if (table.hasClass.tableArrows) {
-      th.insertAdjacentText("beforeend", arrow.up);
+    if (table.hasClass.tableArrows) {
+      th.insertAdjacentText("beforeend", initialArrow);
     }
 
     let timesClickedColumn = 0;
diff --git a/browser-extensions/firefox/manifest.json b/browser-extensions/firefox/manifest.json
index 15115f1..318785b 100644
--- a/browser-extensions/firefox/manifest.json
+++ b/browser-extensions/firefox/manifest.json
@@ -2,7 +2,7 @@
   "manifest_version": 2,
   "author": "Lee Wannacott",
   "name": "table-sort-js",
-  "version": "1.18.2",
+  "version": "1.18.3",
   "description": "Makes tables sortable using table-sort-js: https://github.com/LeeWannacott/table-sort-js",
   "icons": { "48": "icons/t.png" },
   "browser_action": {
diff --git a/browser-extensions/firefox/table-sort-js.zip b/browser-extensions/firefox/table-sort-js.zip
index 276a263..bf13158 100644
Binary files a/browser-extensions/firefox/table-sort-js.zip and b/browser-extensions/firefox/table-sort-js.zip differ
diff --git a/browser-extensions/firefox/table-sort.js b/browser-extensions/firefox/table-sort.js
index d6a335a..345a4bf 100644
--- a/browser-extensions/firefox/table-sort.js
+++ b/browser-extensions/firefox/table-sort.js
@@ -383,7 +383,8 @@ function tableSortJs(testingTableSortJS = false, domDocumentWindow = document) {
       return sortAscending(b, a);
     }
 
-    function clearArrows(arrowUp = "▲", arrowDown = "▼") {
+    function clearArrows(arrowUp, arrowDown, initialArrow = "↕") {
+      th.innerHTML = th.innerHTML.replace(initialArrow, "");
       th.innerHTML = th.innerHTML.replace(arrowUp, "");
       th.innerHTML = th.innerHTML.replace(arrowDown, "");
     }
@@ -515,13 +516,12 @@ function tableSortJs(testingTableSortJS = false, domDocumentWindow = document) {
     columnIndexesClicked
   ) {
     const desc = th.classList.contains("order-by-desc");
-    const arrow = { up: " ▲", down: " ▼" };
+    const initialArrow = " ↕";
+    const arrow = { up: " ↑", down: " ↓" };
     const fillValue = "!X!Y!Z!";
 
-    if (desc && table.hasClass.tableArrows) {
-      th.insertAdjacentText("beforeend", arrow.down);
-    } else if (table.hasClass.tableArrows) {
-      th.insertAdjacentText("beforeend", arrow.up);
+    if (table.hasClass.tableArrows) {
+      th.insertAdjacentText("beforeend", initialArrow);
     }
 
     let timesClickedColumn = 0;
diff --git a/npm/package.json b/npm/package.json
index fafa8bc..f8214ed 100644
--- a/npm/package.json
+++ b/npm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "table-sort-js",
-  "version": "1.18.2",
+  "version": "1.18.3",
   "description": "A JavaScript client-side HTML table sorting library with no dependencies required.",
   "license": "MIT",
   "repository": "LeeWannacott/table-sort-js",
diff --git a/npm/table-sort.js b/npm/table-sort.js
index d6a335a..345a4bf 100644
--- a/npm/table-sort.js
+++ b/npm/table-sort.js
@@ -383,7 +383,8 @@ function tableSortJs(testingTableSortJS = false, domDocumentWindow = document) {
       return sortAscending(b, a);
     }
 
-    function clearArrows(arrowUp = "▲", arrowDown = "▼") {
+    function clearArrows(arrowUp, arrowDown, initialArrow = "↕") {
+      th.innerHTML = th.innerHTML.replace(initialArrow, "");
       th.innerHTML = th.innerHTML.replace(arrowUp, "");
       th.innerHTML = th.innerHTML.replace(arrowDown, "");
     }
@@ -515,13 +516,12 @@ function tableSortJs(testingTableSortJS = false, domDocumentWindow = document) {
     columnIndexesClicked
   ) {
     const desc = th.classList.contains("order-by-desc");
-    const arrow = { up: " ▲", down: " ▼" };
+    const initialArrow = " ↕";
+    const arrow = { up: " ↑", down: " ↓" };
     const fillValue = "!X!Y!Z!";
 
-    if (desc && table.hasClass.tableArrows) {
-      th.insertAdjacentText("beforeend", arrow.down);
-    } else if (table.hasClass.tableArrows) {
-      th.insertAdjacentText("beforeend", arrow.up);
+    if (table.hasClass.tableArrows) {
+      th.insertAdjacentText("beforeend", initialArrow);
     }
 
     let timesClickedColumn = 0;