diff --git a/components/PrintableReport.tsx b/components/PrintableReport.tsx
index 9507a5b..3f60576 100644
--- a/components/PrintableReport.tsx
+++ b/components/PrintableReport.tsx
@@ -27,7 +27,11 @@ const TableRow: React.FC<{item: ComplianceItem}> = ({item}) => (
 )
 
 export const PrintableReport: React.FC<PrintableReportProps> = ({ report }) => {
-  const { identification, compliance, overPerformance, equivalents, confidence } = report;
+  const identification = report?.identification || {};
+  const compliance = report?.compliance || { status: 'NÃO CONFORME', mechanical: [], chemical: [], otherTests: [] };
+  const overPerformance = report?.overPerformance || [];
+  const equivalents = report?.equivalents || [];
+  const confidence = report?.confidence || 0;
   const jsonData = JSON.stringify(report);
 
   return (
diff --git a/components/ReportDisplay.tsx b/components/ReportDisplay.tsx
index fa79439..30f7e95 100644
--- a/components/ReportDisplay.tsx
+++ b/components/ReportDisplay.tsx
@@ -52,7 +52,11 @@ const ComplianceTableRow: React.FC<{ item: ComplianceItem; headerLabel: string }
 );
 
 export const ReportDisplay: React.FC<ReportDisplayProps> = ({ report }) => {
-  const { identification, compliance, overPerformance, equivalents, confidence } = report;
+  const identification = report?.identification || {};
+  const compliance = report?.compliance || { status: 'NÃO CONFORME', mechanical: [], chemical: [], otherTests: [] };
+  const overPerformance = report?.overPerformance || [];
+  const equivalents = report?.equivalents || [];
+  const confidence = report?.confidence || 0;
 
   return (
     <div className="space-y-8 animate-fade-in pb-12">
diff --git a/services/aiService.ts b/services/aiService.ts
index cae0b60..41f0bb9 100644
--- a/services/aiService.ts
+++ b/services/aiService.ts
@@ -462,8 +462,7 @@ export const analyzeWithOpenRouter = async (file: File, apiKey: string, model: s
           ]
         }
       ],
-      temperature: 0.1,
-      response_format: { type: 'json_object' }
+      temperature: 0.1
     })
   });