diff --git a/packages/main/src/Button.hbs b/packages/main/src/Button.hbs
index 36b5df36a859..98ac68d9cd53 100644
--- a/packages/main/src/Button.hbs
+++ b/packages/main/src/Button.hbs
@@ -25,7 +25,7 @@
style="{{styles.icon}}"
class="ui5-button-icon"
name="{{icon}}"
- show-tooltip={{showIconTooltip}}
+ ?show-tooltip={{showIconTooltip}}
>
{{/if}}
diff --git a/packages/main/test/pages/Button.html b/packages/main/test/pages/Button.html
index 65f02ff408d5..e1f25fbce374 100644
--- a/packages/main/test/pages/Button.html
+++ b/packages/main/test/pages/Button.html
@@ -192,7 +192,7 @@
Buttons with tooltip
-
+