diff --git a/src/controllers/PdfController.ts b/src/controllers/PdfController.ts
index 0aad6c7..619dc81 100644
--- a/src/controllers/PdfController.ts
+++ b/src/controllers/PdfController.ts
@@ -71,7 +71,20 @@ export class PdfController {
     private mapCardGroupNames(cards: RunnerCard[]): RunnerCard[] {
         let response = new Array<RunnerCard>();
         for (let card of cards) {
-            if (!card.runner.group.parentGroup) {
+            if (!card.runner) {
+                card.runner = {
+                    id: 0,
+                    firstname: "Blank",
+                    lastname: "Blank",
+                    distance: 0,
+                    group: {
+                        id: 0,
+                        name: "Blank",
+                        fullName: "Blank"
+                    }
+                }
+            }
+            else if (!card.runner.group.parentGroup) {
                 card.runner.group.fullName = card.runner.group.name;
             }
             else {