diff --git a/pkg/app/app.go b/pkg/app/app.go
index 33511a80..ad5196fd 100644
--- a/pkg/app/app.go
+++ b/pkg/app/app.go
@@ -340,6 +340,9 @@ func (e *Error) Error() string {
 	} else {
 		msgs := []string{}
 		for i, err := range e.Errors {
+			if err == nil {
+				continue
+			}
 			msgs = append(msgs, fmt.Sprintf("err %d: %v", i, err.Error()))
 		}
 		cause = fmt.Sprintf("%d errors:\n%s", len(e.Errors), strings.Join(msgs, "\n"))
diff --git a/state/state.go b/state/state.go
index e109bdff..3e21d371 100644
--- a/state/state.go
+++ b/state/state.go
@@ -450,6 +450,10 @@ func (st *HelmState) downloadCharts(helm helmexec.Interface, dir string, concurr
 						chartPath = path.Join(dir, release.Name, "latest", release.Chart)
 					}
 
+					if st.isDevelopment(release) {
+						fetchFlags = append(fetchFlags, "--devel")
+					}
+
 					// only fetch chart if it is not already fetched
 					if _, err := os.Stat(chartPath); os.IsNotExist(err) {
 						fetchFlags = append(fetchFlags, "--untar", "--untardir", chartPath)
@@ -463,7 +467,6 @@ func (st *HelmState) downloadCharts(helm helmexec.Interface, dir string, concurr
 						chartPath = filepath.Dir(fullChartPath)
 					}
 				}
-
 				results <- &downloadResults{release.Name, chartPath}
 			}
 		},