diff --git a/src/common/components/Button/styles.tsx b/src/common/components/Button/styles.tsx
index d2073f9..9bdf1f5 100644
--- a/src/common/components/Button/styles.tsx
+++ b/src/common/components/Button/styles.tsx
@@ -38,6 +38,10 @@ export default ({ margin }: { margin?: string }) => css`
   &.suffix {
     margin-left: ${margin || 0};
   }
+  
+  &.no-shrink {
+    flex-shrink: 0;
+  }
 
   div {
     text-align: left;
diff --git a/src/tree/CellTree.tsx b/src/tree/CellTree.tsx
index 89580f9..44bace8 100644
--- a/src/tree/CellTree.tsx
+++ b/src/tree/CellTree.tsx
@@ -102,7 +102,7 @@ export const CellTree = <T extends TableNode>({
     <Cell {...passThrough}>
       <div css={style}>
         <Button
-          className="prefix narrow"
+          className="prefix narrow no-shrink"
           margin={icon ? mergedTreeIconOptions.margin : mergedTreeIconOptions.noIconMargin}
           onClick={handleClick}
         >