diff --git a/packages/react-core/src/components/ExpandableSection/ExpandableSection.tsx b/packages/react-core/src/components/ExpandableSection/ExpandableSection.tsx
index 1ac95089bbb..6c93a95a6c6 100644
--- a/packages/react-core/src/components/ExpandableSection/ExpandableSection.tsx
+++ b/packages/react-core/src/components/ExpandableSection/ExpandableSection.tsx
@@ -171,10 +171,12 @@ class ExpandableSection extends React.Component<ExpandableSectionProps, Expandab
   };
 
   resize = () => {
-    const { offsetWidth } = this.expandableContentRef.current;
-    if (this.state.previousWidth !== offsetWidth) {
-      this.setState({ previousWidth: offsetWidth });
-      this.checkToggleVisibility();
+    if (this.expandableContentRef) {
+      const { offsetWidth } = this.expandableContentRef.current;
+      if (this.state.previousWidth !== offsetWidth) {
+        this.setState({ previousWidth: offsetWidth });
+        this.checkToggleVisibility();
+      }
     }
   };
   handleResize = debounce(this.resize, 250);