diff --git a/api/versions.go b/api/versions.go
index 0d43baed..335c179f 100644
--- a/api/versions.go
+++ b/api/versions.go
@@ -849,7 +849,7 @@ func (api *DatasetAPI) addDatasetVersionCondensed(w http.ResponseWriter, r *http
 	newInstance, err := instance.UnmarshalInstance(ctx, r.Body, true)
 	if err != nil {
 		log.Error(ctx, "failed to unmarshal instance", err, logData)
-		handleDatasetAPIErr(ctx, errs.ErrInvalidBody, w, nil)
+		handleVersionAPIErr(ctx, errs.ErrUnableToParseJSON, w, logData)
 		return
 	}
 
@@ -869,7 +869,7 @@ func (api *DatasetAPI) addDatasetVersionCondensed(w http.ResponseWriter, r *http
 	newInstance, err = api.dataStore.Backend.AddInstance(ctx, newInstance)
 	if err != nil {
 		log.Error(ctx, "failed to add instance", err, logData)
-		handleDatasetAPIErr(ctx, errs.ErrInternalServer, w, nil)
+		handleVersionAPIErr(ctx, err, w, logData)
 		return
 	}
 
diff --git a/api/versions_test.go b/api/versions_test.go
index 97123008..2f565af2 100644
--- a/api/versions_test.go
+++ b/api/versions_test.go
@@ -3025,6 +3025,6 @@ func TestAddDatasetVersionCondensed(t *testing.T) {
 		api := GetAPIWithCMDMocks(mockedDataStore, &mocks.DownloadsGeneratorMock{}, datasetPermissions, permissions)
 		api.addDatasetVersionCondensed(w, r)
 
-		convey.So(w.Code, convey.ShouldEqual, http.StatusInternalServerError)
+		convey.So(w.Code, convey.ShouldEqual, http.StatusBadRequest)
 	})
 }