diff --git a/client/devices-page.js b/client/devices-page.js
index 5b8da57..42d00d2 100644
--- a/client/devices-page.js
+++ b/client/devices-page.js
@@ -90,9 +90,9 @@ function renderTable(
     if (!param.unsortable && (_param = memoizedGetSortable(param.parameter))) {
       let direction = 1;
 
-      let symbol = "\u21f3";
-      if (sort[_param] > 0) symbol = "\u2b07";
-      else if (sort[_param] < 0) symbol = "\u2b06";
+      let symbol = "\u2981";
+      if (sort[_param] > 0) symbol = "\u2bc6";
+      else if (sort[_param] < 0) symbol = "\u2bc5";
 
       let sortable = m(
         "button",
diff --git a/client/faults-page.js b/client/faults-page.js
index 07ac944..99b7388 100644
--- a/client/faults-page.js
+++ b/client/faults-page.js
@@ -81,9 +81,9 @@ function renderTable(
 
     let direction = 1;
 
-    let symbol = "\u21f3";
-    if (sort[attr.id] > 0) symbol = "\u2b07";
-    else if (sort[attr.id] < 0) symbol = "\u2b06";
+    let symbol = "\u2981";
+    if (sort[attr.id] > 0) symbol = "\u2bc6";
+    else if (sort[attr.id] < 0) symbol = "\u2bc5";
 
     let sortable = m(
       "button",
diff --git a/client/files-page.js b/client/files-page.js
index 02f0424..1dec116 100644
--- a/client/files-page.js
+++ b/client/files-page.js
@@ -150,9 +150,9 @@ function renderTable(
 
     let direction = 1;
 
-    let symbol = "\u21f3";
-    if (sort[attr.id] > 0) symbol = "\u2b07";
-    else if (sort[attr.id] < 0) symbol = "\u2b06";
+    let symbol = "\u2981";
+    if (sort[attr.id] > 0) symbol = "\u2bc6";
+    else if (sort[attr.id] < 0) symbol = "\u2bc5";
 
     let sortable = m(
       "button",
diff --git a/client/presets-page.js b/client/presets-page.js
index fc703dd..f51a842 100644
--- a/client/presets-page.js
+++ b/client/presets-page.js
@@ -148,9 +148,9 @@ function renderTable(
 
     let direction = 1;
 
-    let symbol = "\u21f3";
-    if (sort[attr.id] > 0) symbol = "\u2b07";
-    else if (sort[attr.id] < 0) symbol = "\u2b06";
+    let symbol = "\u2981";
+    if (sort[attr.id] > 0) symbol = "\u2bc6";
+    else if (sort[attr.id] < 0) symbol = "\u2bc5";
 
     let sortable = m(
       "button",
diff --git a/client/provisions-page.js b/client/provisions-page.js
index 57ecc1a..eae6b8a 100644
--- a/client/provisions-page.js
+++ b/client/provisions-page.js
@@ -136,9 +136,9 @@ function renderTable(
 
     let direction = 1;
 
-    let symbol = "\u21f3";
-    if (sort[attr.id] > 0) symbol = "\u2b07";
-    else if (sort[attr.id] < 0) symbol = "\u2b06";
+    let symbol = "\u2981";
+    if (sort[attr.id] > 0) symbol = "\u2bc6";
+    else if (sort[attr.id] < 0) symbol = "\u2bc5";
 
     let sortable = m(
       "button",
diff --git a/client/virtual-parameters-page.js b/client/virtual-parameters-page.js
index f6e23a6..30fcf4b 100644
--- a/client/virtual-parameters-page.js
+++ b/client/virtual-parameters-page.js
@@ -137,9 +137,9 @@ function renderTable(
 
     let direction = 1;
 
-    let symbol = "\u21f3";
-    if (sort[attr.id] > 0) symbol = "\u2b07";
-    else if (sort[attr.id] < 0) symbol = "\u2b06";
+    let symbol = "\u2981";
+    if (sort[attr.id] > 0) symbol = "\u2bc6";
+    else if (sort[attr.id] < 0) symbol = "\u2bc5";
 
     let sortable = m(
       "button",