diff --git a/CHANGELOG.md b/CHANGELOG.md
index d81afdc..0b25c85 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,8 +2,19 @@
 
 All notable changes to this project will be documented in this file. Dates are displayed in UTC.
 
+#### [v0.5.2](https://git.odit.services/lfk/document-server/compare/v0.5.1...v0.5.2)
+
+- Merge branch 'bugfix/44-runner-certificates-result-in-a-status-500' into dev [`#44`](https://git.odit.services/lfk/document-server/issues/44)
+- wrap distanceDonations.reduce in array length check [`bac004d`](https://git.odit.services/lfk/document-server/commit/bac004d74eb954d1753d4efcdb927822b89fa757)
+- 🧾New changelog file version [CI SKIP] [skip ci] [`ff0421d`](https://git.odit.services/lfk/document-server/commit/ff0421da2f16a8f79f9987dabea7bdcb4ef88c05)
+- 🚀Bumped version to v0.5.2 [`274c13e`](https://git.odit.services/lfk/document-server/commit/274c13e358f16207fe8bb5cdc1b9ede0582ecb46)
+- 🧾New changelog file version [CI SKIP] [skip ci] [`b7b7f6a`](https://git.odit.services/lfk/document-server/commit/b7b7f6a0ae304d24f90a3de3931f53cf08770060)
+
 #### [v0.5.1](https://git.odit.services/lfk/document-server/compare/v0.5.0...v0.5.1)
 
+> 22 April 2021
+
+- Merge pull request 'Release 0.5.1' (#43) from dev into main [`11efdeb`](https://git.odit.services/lfk/document-server/commit/11efdebacf076ecfe0e10cdcda37ac07464901ce)
 - Quick callstack fix🛠 [`76418f6`](https://git.odit.services/lfk/document-server/commit/76418f65e1e111e83838f0d42c541ae6a8063a09)
 - Fixed barcode generation for runenrcard pdfs🐞 [`f78037c`](https://git.odit.services/lfk/document-server/commit/f78037c0f15162d5b98986edf20d263961f43e69)
 - Updated docker-compose example🐳 [`a4c8dad`](https://git.odit.services/lfk/document-server/commit/a4c8dade23e448d4d4caefe304a6cd9195c873a4)
@@ -12,6 +23,7 @@ All notable changes to this project will be documented in this file. Dates are d
 - 🧾New changelog file version [CI SKIP] [skip ci] [`2ee4c06`](https://git.odit.services/lfk/document-server/commit/2ee4c060557a44db1974a015412288f7942ebe72)
 - more typo fixes [`981bae4`](https://git.odit.services/lfk/document-server/commit/981bae4786a2fa12a1355122e8c5a1e95e29cf32)
 - You can now configure the card's code format distinct from the others [`ac9be79`](https://git.odit.services/lfk/document-server/commit/ac9be793bd598771174f5313ef8288240306ba5c)
+- 🧾New changelog file version [CI SKIP] [skip ci] [`0f2d6f5`](https://git.odit.services/lfk/document-server/commit/0f2d6f58d6a8a8888263778cf1a14c73b28e774e)
 - 🚀Bumped version to v0.5.1 [`22fb3ed`](https://git.odit.services/lfk/document-server/commit/22fb3edd7836ba4ca35e6b208ab6f6620da60f4a)
 - Emoji+Chinese fixes🌍 [`b6fc069`](https://git.odit.services/lfk/document-server/commit/b6fc069042dc9c5d7ec97f2660568e8e105780b9)
 - 🧾New changelog file version [CI SKIP] [skip ci] [`cc4a2b4`](https://git.odit.services/lfk/document-server/commit/cc4a2b4ab4c2cb9976797f93e8348607fb88ea7d)
diff --git a/package.json b/package.json
index eba1026..025141c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@odit/lfk-document-server",
-  "version": "0.5.1",
+  "version": "0.5.2",
   "description": "The document generation server for the LfK! runner system. This generates certificates, sponsoring aggreements and more",
   "main": "src/app.ts",
   "scripts": {
diff --git a/src/controllers/PdfController.ts b/src/controllers/PdfController.ts
index a18bcf5..f6d8a52 100644
--- a/src/controllers/PdfController.ts
+++ b/src/controllers/PdfController.ts
@@ -97,12 +97,19 @@ export class PdfController {
             else {
                 runner.group.fullName = `${runner.group.parentGroup.name}/${runner.group.name}`;
             }
-            runner.donationPerDistanceTotal = runner.distanceDonations.reduce(function (sum, current) {
-                return sum + current.amountPerDistance;
-            }, 0);
-            runner.donationTotal = runner.distanceDonations.reduce(function (sum, current) {
-                return sum + current.amount;
-            }, 0);
+            runner.donationPerDistanceTotal = 0;
+            if (runner.distanceDonations.length > 0) {
+                console.log(typeof runner.distanceDonations);
+                runner.donationPerDistanceTotal += runner.distanceDonations.reduce(function (sum, current) {
+                    return sum + current.amountPerDistance;
+                }, 0);
+            }
+            runner.donationTotal = 0;
+            if (runner.distanceDonations.length > 0) {
+                runner.donationTotal += runner.distanceDonations.reduce(function (sum, current) {
+                    return sum + current.amount;
+                }, 0);
+            }
             response.push(runner)
         }
         return response;