diff --git a/src/main/java/app/attestation/server/AttestationServer.java b/src/main/java/app/attestation/server/AttestationServer.java
index 9ba9d348..e2e1dd4d 100644
--- a/src/main/java/app/attestation/server/AttestationServer.java
+++ b/src/main/java/app/attestation/server/AttestationServer.java
@@ -915,7 +915,7 @@ private static void writeQrCode(final byte[] contents, final OutputStream output
                     BarcodeFormat.QR_CODE, QR_CODE_PIXEL_SIZE, QR_CODE_PIXEL_SIZE, hints);
             MatrixToImageWriter.writeToStream(result, "png", output);
         } catch (WriterException e) {
-            throw new RuntimeException(e);
+            throw new IOException(e);
         }
     }