diff --git a/browser/modules/UITour.jsm b/browser/modules/UITour.jsm
index 48448e8c3370..23547aadd8f8 100644
--- a/browser/modules/UITour.jsm
+++ b/browser/modules/UITour.jsm
@@ -1159,6 +1159,7 @@ this.UITour = {
       let tooltipTitle = document.getElementById("UITourTooltipTitle");
       let tooltipDesc = document.getElementById("UITourTooltipDescription");
       let tooltipIcon = document.getElementById("UITourTooltipIcon");
+      let tooltipIconContainer = document.getElementById("UITourTooltipIconContainer");
       let tooltipButtons = document.getElementById("UITourTooltipButtons");
 
       if (tooltip.state == "showing" || tooltip.state == "open") {
@@ -1168,7 +1169,7 @@ this.UITour = {
       tooltipTitle.textContent = aTitle || "";
       tooltipDesc.textContent = aDescription || "";
       tooltipIcon.src = aIconURL || "";
-      tooltipIcon.hidden = !aIconURL;
+      tooltipIconContainer.hidden = !aIconURL;
 
       while (tooltipButtons.firstChild)
         tooltipButtons.firstChild.remove();