diff --git a/x-pack/solutions/observability/plugins/observability_ai_assistant_app/public/components/page_template.tsx b/x-pack/solutions/observability/plugins/observability_ai_assistant_app/public/components/page_template.tsx
index deca62fac6216..de46af198ba19 100644
--- a/x-pack/solutions/observability/plugins/observability_ai_assistant_app/public/components/page_template.tsx
+++ b/x-pack/solutions/observability/plugins/observability_ai_assistant_app/public/components/page_template.tsx
@@ -14,7 +14,7 @@ const pageSectionContentClassName = css`
   flex-grow: 1;
   padding-top: 0;
   padding-bottom: 0;
-  max-block-size: var(--kbn-application--content-height);
+  height: var(--kbn-application--content-height);
 `;
 
 export function ObservabilityAIAssistantPageTemplate({ children }: { children: React.ReactNode }) {