diff --git a/internal/postprocessor/manifest.go b/internal/postprocessor/manifest.go
index 1e887440b1e0..a6cb509155fa 100644
--- a/internal/postprocessor/manifest.go
+++ b/internal/postprocessor/manifest.go
@@ -90,7 +90,7 @@ func (p *postProcessor) Manifest() (map[string]ManifestEntry, error) {
 
 		apiShortname, err := apiShortname(yamlConfig.NameFull)
 		if err != nil {
-			return nil, fmt.Errorf("unable to determine api_shortname from %v", yamlConfig.NameFull, err)
+			return nil, fmt.Errorf("unable to determine api_shortname from %v: %v", yamlConfig.NameFull, err)
 		}
 
 		entry := ManifestEntry{