diff --git a/packages/core/src/components/AvatarGroup/AvatarGroupCounterTooltipContent.module.scss b/packages/core/src/components/AvatarGroup/AvatarGroupCounterTooltipContent.module.scss
index 0e6330186c..c4145d0572 100644
--- a/packages/core/src/components/AvatarGroup/AvatarGroupCounterTooltipContent.module.scss
+++ b/packages/core/src/components/AvatarGroup/AvatarGroupCounterTooltipContent.module.scss
@@ -4,6 +4,10 @@
   white-space: nowrap;
 }
 
+.tooltipAvatarItemAvatar {
+  flex-shrink: 0;
+}
+
 .tooltipContainer {
   max-height: 300px;
   padding-right: var(--spacing-medium);
diff --git a/packages/core/src/components/AvatarGroup/AvatarGroupCounterTooltipHelper.tsx b/packages/core/src/components/AvatarGroup/AvatarGroupCounterTooltipHelper.tsx
index 8148f8f6d2..c4b779d19f 100644
--- a/packages/core/src/components/AvatarGroup/AvatarGroupCounterTooltipHelper.tsx
+++ b/packages/core/src/components/AvatarGroup/AvatarGroupCounterTooltipHelper.tsx
@@ -141,6 +141,7 @@ export const avatarRenderer = (
             type={type || avatarProps?.type}
             tabIndex={-1}
             size={Avatar.sizes.SMALL}
+            className={avatarGroupCounterTooltipContentStyles.tooltipAvatarItemAvatar}
           />
           {!displayAsGrid && (
             <div id={labelId} className={avatarGroupCounterTooltipContentStyles.tooltipAvatarItemTitle}>