diff --git a/packages/core/src/components/collapse/collapse.tsx b/packages/core/src/components/collapse/collapse.tsx
index 4023d1da85..e9b82dc5e2 100644
--- a/packages/core/src/components/collapse/collapse.tsx
+++ b/packages/core/src/components/collapse/collapse.tsx
@@ -208,7 +208,7 @@ export class Collapse extends AbstractPureComponent2<CollapseProps, ICollapseSta
                 className={Classes.COLLAPSE_BODY}
                 ref={this.contentsRefHandler}
                 style={contentsStyle}
-                aria-hidden={!shouldRenderChildren}
+                aria-hidden={!isContentVisible}
             >
                 {shouldRenderChildren ? this.props.children : null}
             </div>,