diff --git a/paper.bib b/paper.bib
index 1637c405..60c559a8 100644
--- a/paper.bib
+++ b/paper.bib
@@ -97,7 +97,7 @@ @inproceedings{10114533389063338912
 keywords = {cloud computing, resource contention, performance testing, non- parametric statistics},
 location = {Tallinn, Estonia},
 series = {ESEC/FSE 2019},
-url = {10.1145/3338906.3338912},
+doi = {10.1145/3338906.3338912}
 }
 
 @inproceedings{DBLPconfsigmodKerstenKZ18,
@@ -116,7 +116,7 @@ @SIGMOD 2018
   timestamp = {Mon, 12 Aug 2019 13:49:51 +0200},
   biburl    = {https://dblp.org/rec/conf/sigmod/KerstenKZ18.bib},
   bibsource = {dblp computer science bibliography, https://dblp.org},
-  url       = {10.1145/3209950.3209951},
+  doi       = {10.1145/3209950.3209951},
 }
 
 @software{reback2020pandas,
diff --git a/paper.md b/paper.md
index 10245782..e44bb04d 100644
--- a/paper.md
+++ b/paper.md
@@ -10,6 +10,7 @@ authors:
     corresponding: true
     affiliation: 1
   - name: Jascha Jestel
+    affiliation: 1
 affiliations:
  - name: Berliner Hochschule für Technik (BHT)
    index: 1