diff --git a/cmd/katenary/main.go b/cmd/katenary/main.go
index 3276d31..f2810aa 100644
--- a/cmd/katenary/main.go
+++ b/cmd/katenary/main.go
@@ -146,7 +146,7 @@ func generateConvertCommand() *cobra.Command {
 		Use:   "convert",
 		Short: "Converts a docker-compose file to a Helm Chart",
 		RunE: func(cmd *cobra.Command, args []string) error {
-			if givenAppVersion != "" {
+			if len(strings.TrimSpace(givenAppVersion)) > 0 {
 				appVersion = &givenAppVersion
 			}
 			return generator.Convert(generator.ConvertOptions{