diff --git a/src/app/constant/JamiStrings.qml b/src/app/constant/JamiStrings.qml
index 1fe84a66..22a7891a 100644
--- a/src/app/constant/JamiStrings.qml
+++ b/src/app/constant/JamiStrings.qml
@@ -723,6 +723,7 @@ Item {
     property string showMore: qsTr("Show more")
     property string showLess: qsTr("Show less")
 
+    property string showPreview: qsTr("Show preview")
     property string bold: qsTr("Bold")
     property string italic: qsTr("Italic")
     property string strikethrough: qsTr("Strikethrough")
diff --git a/src/app/mainview/components/MessageBar.qml b/src/app/mainview/components/MessageBar.qml
index 1f272fc5..834f898e 100644
--- a/src/app/mainview/components/MessageBar.qml
+++ b/src/app/mainview/components/MessageBar.qml
@@ -1165,6 +1165,7 @@ RowLayout {
                     imageColor: (hovered || showPreview) ? JamiTheme.chatViewFooterImgHoverColor : JamiTheme.chatViewFooterImgColor
                     hoveredColor: JamiTheme.hoveredButtonColor
                     pressedColor: hoveredColor
+                    toolTipText: JamiStrings.showPreview
 
                     onClicked: {
                         showPreview = !showPreview;