diff --git a/res/img/element-icons/room/composer/plain_text.svg b/res/img/element-icons/room/composer/plain_text.svg
index 874ae1a47da..053d41649a5 100644
--- a/res/img/element-icons/room/composer/plain_text.svg
+++ b/res/img/element-icons/room/composer/plain_text.svg
@@ -4,31 +4,14 @@
    height="20"
    viewBox="0 0 20 20"
    fill="none"
-   xmlns="http://www.w3.org/2000/svg"
-   >
-  <g
-     clip-path="url(#clip0_1456_146365)"
-     id="g53">
-    <path
-       d="M7.00042 13.7333H13.6671L14.5471 15.8667C14.7471 16.3467 15.2137 16.6667 15.7337 16.6667C16.6537 16.6667 17.2671 15.72 16.9071 14.88L11.7337 2.92C11.4937 2.36 10.9471 2 10.3337 2C9.72042 2 9.17375 2.36 8.93375 2.92L3.76042 14.88C3.40042 15.72 4.02708 16.6667 4.94708 16.6667C5.46708 16.6667 5.93375 16.3467 6.13375 15.8667L7.00042 13.7333ZM10.3337 4.64L12.8271 11.3333H7.84042L10.3337 4.64Z"
-       fill="#C1C6CD"
-       id="path49" />
-    <path
-       d="m 1.497495,8.96927 c 0,0.793654 0.7402877,1.441437 1.6473569,1.441437 H 17.521786 c 0.907096,0 1.647419,-0.647783 1.647419,-1.441437 0,-0.7936857 -0.740323,-1.4414375 -1.647419,-1.4414375 H 11.127487 3.1448519 c -0.4734211,0 -0.9014103,0.1764504 -1.2024293,0.4580061 C 1.7722258,8.1450309 1.6426187,8.3378225 1.568339,8.5513189 1.522281,8.6837006 1.497495,8.8240421 1.497495,8.96927 Z"
-       fill="#c1c6cd"
-       stroke="#ffffff"
-       id="path51"
-       style="stroke:none;stroke-width:0.840525;stroke-opacity:1" />
-  </g>
-  <defs
-     id="defs58">
-    <clipPath
-       id="clip0_1456_146365">
-      <rect
-         width="20"
-         height="20"
-         fill="white"
-         id="rect55" />
-    </clipPath>
-  </defs>
+   xmlns="http://www.w3.org/2000/svg">
+    <g clip-path="url(#clip0_2168_154906)">
+        <path fill-rule="evenodd" clip-rule="evenodd" d="M14.5467 15.8667L13.6667 13.7333H7.00005L6.13338 15.8667C5.93338 16.3467 5.46672 16.6667 4.94672 16.6667C4.02672 16.6667 3.40005 15.72 3.76005 14.88L5.00323 12.0059H15.6635L16.9067 14.88C17.2667 15.72 16.6534 16.6667 15.7334 16.6667C15.2134 16.6667 14.7467 16.3467 14.5467 15.8667ZM13.6435 7.33594L11.7334 2.92C11.4934 2.36 10.9467 2 10.3334 2C9.72005 2 9.17338 2.36 8.93338 2.92L7.02326 7.33594H9.32912L10.3334 4.64L11.3376 7.33594H13.6435Z" fill="currentColor"/>
+        <path d="M1 9.67708C1 10.4104 1.6 11.0104 2.33333 11.0104H18.3333C19.0667 11.0104 19.6667 10.4104 19.6667 9.67708C19.6667 8.94375 19.0667 8.34375 18.3333 8.34375H2.33333C1.6 8.34375 1 8.94375 1 9.67708Z" fill="currentColor"/>
+    </g>
+    <defs>
+        <clipPath id="clip0_2168_154906">
+            <rect width="20" height="20" fill="white"/>
+        </clipPath>
+    </defs>
 </svg>
diff --git a/src/components/views/rooms/MessageComposerButtons.tsx b/src/components/views/rooms/MessageComposerButtons.tsx
index 2285733da91..bce1182a136 100644
--- a/src/components/views/rooms/MessageComposerButtons.tsx
+++ b/src/components/views/rooms/MessageComposerButtons.tsx
@@ -376,8 +376,8 @@ function ComposerModeButton({ isRichTextEnabled, onClick }: WysiwygToggleButtonP
         <CollapsibleButton
             className="mx_MessageComposer_button"
             iconClassName={classNames({
-                mx_MessageComposer_plain_text: isRichTextEnabled,
-                mx_MessageComposer_rich_text: !isRichTextEnabled,
+                mx_MessageComposer_plain_text: !isRichTextEnabled,
+                mx_MessageComposer_rich_text: isRichTextEnabled,
             })}
             onClick={onClick}
             title={title}