diff --git a/README.md b/README.md
index c42ac4d6371761e63c713444f4109789a2de8a79..31b817a57cf48552b52277eab8896a94f9319b91 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Metagenedb
 
-[![pipeline status](https://gitlab.pasteur.fr/metagenomics/metagenedb/badges/master/pipeline.svg)](https://gitlab.pasteur.fr/metagenomics/metagenedb/commits/dev)
-[![coverage report](https://gitlab.pasteur.fr/metagenomics/metagenedb/badges/master/coverage.svg)](https://gitlab.pasteur.fr/metagenomics/metagenedb/commits/dev)
+[![pipeline status](https://gitlab.pasteur.fr/%{project_path}/badges/%{default_branch}/pipeline.svg)](https://gitlab.pasteur.fr/%{project_path}/commits/%{default_branch})
+[![coverage report](https://gitlab.pasteur.fr/%{project_path}/badges/%{default_branch}/coverage.svg)](https://gitlab.pasteur.fr/%{project_path}/commits/%{default_branch})
 
 Django based project to build genes catalog and tools
 to play with it and contact external services.
diff --git a/backend/metagenedb/apps/catalog/models/gene.py b/backend/metagenedb/apps/catalog/models/gene.py
index 453910d17bc8f6f294027ba448f4c61d63e6191e..d9a5cf3f9a7449cf94d1781f8e65ea1dffdb2c24 100644
--- a/backend/metagenedb/apps/catalog/models/gene.py
+++ b/backend/metagenedb/apps/catalog/models/gene.py
@@ -20,6 +20,7 @@ class Gene(models.Model):
     class Meta:
         ordering = ['-gene_id']
 
+
 class GeneFunction(models.Model):
     gene = models.ForeignKey(Gene, on_delete=models.CASCADE)
     function = models.ForeignKey(Function, on_delete=models.CASCADE)
diff --git a/backend/metagenedb/apps/catalog/serializers/gene.py b/backend/metagenedb/apps/catalog/serializers/gene.py
index ec09b388aabaf1dfa6f3799e9d8a0cafb9d9c640..22e6094c8cfad37ce59b0f23a596a4cbfb8214bf 100644
--- a/backend/metagenedb/apps/catalog/serializers/gene.py
+++ b/backend/metagenedb/apps/catalog/serializers/gene.py
@@ -16,6 +16,10 @@ class GeneListSerializer(BulkListSerializer):
     class Meta:
         model = Gene
 
+    def create(self, validated_data):
+        instances = super().create(validated_data)
+        return instances
+
 
 class GeneSerializer(serializers.ModelSerializer):
     functions = FunctionSerializer(