diff --git a/mdi/serializers.py b/mdi/serializers.py
index 20a639a..1081b80 100644
--- a/mdi/serializers.py
+++ b/mdi/serializers.py
@@ -38,7 +38,7 @@ class Meta:
 
 class ToolSerializer(serializers.HyperlinkedModelSerializer):
     license = serializers.StringRelatedField(source='license.spdx')
-    languages_supported = serializers.StringRelatedField(many=True)
+    languages_supported = LanguageSerializer(many=True)
 
     class Meta:
         model = Tool