diff --git a/containers/types.go b/containers/types.go
index 53c127f..f9110b6 100644
--- a/containers/types.go
+++ b/containers/types.go
@@ -565,7 +565,7 @@ func (c *Container) GetPrimaryTech() (apps.AppTech, error) {
 			rawTech := parts[3]
 			techParts := strings.Split(rawTech, "-")
 			if len(techParts) != 2 {
-				return tech, errors.New("wrong number of tech parts")
+				return tech, errors.New("wrong number of tech parts (" + rawTech + ")")
 			}
 			return apps.AppTech{
 				Name:    techParts[0],