diff --git a/commands/build.go b/commands/build.go
index e0e21761e565..d59f532e17d1 100644
--- a/commands/build.go
+++ b/commands/build.go
@@ -761,8 +761,8 @@ func decodeExporterResponse(exporterResponse map[string]string) map[string]inter
 			out[k] = v
 			continue
 		}
-		var raw map[string]interface{}
-		if err = json.Unmarshal(dt, &raw); err != nil || len(raw) == 0 {
+		var raw interface{}
+		if err = json.Unmarshal(dt, &raw); err != nil {
 			out[k] = v
 			continue
 		}