diff --git a/src/main/java/it/gov/pagopa/receipt/pdf/generator/service/impl/GenerateReceiptPdfServiceImpl.java b/src/main/java/it/gov/pagopa/receipt/pdf/generator/service/impl/GenerateReceiptPdfServiceImpl.java
index 5ae2c7b8..670973a6 100644
--- a/src/main/java/it/gov/pagopa/receipt/pdf/generator/service/impl/GenerateReceiptPdfServiceImpl.java
+++ b/src/main/java/it/gov/pagopa/receipt/pdf/generator/service/impl/GenerateReceiptPdfServiceImpl.java
@@ -162,7 +162,7 @@ private PdfMetadata generateAndSavePDFReceipt(BizEvent bizEvent, String template
             PdfEngineResponse pdfEngineResponse = generatePDFReceipt(template, workingDirPath);
             return saveToBlobStorage(pdfEngineResponse, blobName);
         } catch (PDFReceiptGenerationException e) {
-            logger.error("An error occurred when generating or saving the PDF receipt for biz-event {}", bizEvent.getId(), e);
+            logger.error("An error occurred when generating or saving the PDF receipt for biz-event {}. Error: {}", bizEvent.getId(), e.getMessage(), e);
             return PdfMetadata.builder().statusCode(e.getStatusCode()).errorMessage(e.getMessage()).build();
         }
     }
@@ -204,7 +204,8 @@ private PdfEngineResponse generatePDFReceipt(ReceiptPDFTemplate template, Path w
         PdfEngineResponse pdfEngineResponse = pdfEngineClient.generatePDF(request, workingDirPath);
 
         if (pdfEngineResponse.getStatusCode() != HttpStatus.SC_OK) {
-            throw new GeneratePDFException(pdfEngineResponse.getErrorMessage(), pdfEngineResponse.getStatusCode());
+            String errMsg = String.format("PDF-Engine response KO (%s): %s", pdfEngineResponse.getStatusCode(), pdfEngineResponse.getErrorMessage());
+            throw new GeneratePDFException(errMsg, pdfEngineResponse.getStatusCode());
         }
 
         return pdfEngineResponse;