diff --git a/src/main.ts b/src/main.ts
index 7c30adb..985762a 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -60,7 +60,7 @@ export default class TopBarButtonsPlugin extends Plugin {
     ) {
         const { id, icon, name } = button;
         const iconSize = getIconSize();
-        const classes = ['view-action', PLUGIN_CLASS_NAME];
+        const classes = ['view-action', 'icon-btn', PLUGIN_CLASS_NAME];
 
         const buttonIcon = getButtonIcon(name, id, icon, iconSize, classes);
 
diff --git a/src/utils.ts b/src/utils.ts
index 8ec9ebb..2739a86 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -43,7 +43,7 @@ export function getButtonIcon(
     tag: 'a' | 'div' = 'a'
 ) {
     const tooltip = getTooltip(name);
-    const buttonClasses = classes.concat(['icon-btn', id]);
+    const buttonClasses = classes.concat([id]);
 
     const buttonIcon = createEl(tag, {
         cls: buttonClasses,