diff --git a/go/runtime/bundle/discovery.go b/go/runtime/bundle/discovery.go
index f3b780dca99..50a85333e94 100644
--- a/go/runtime/bundle/discovery.go
+++ b/go/runtime/bundle/discovery.go
@@ -569,7 +569,7 @@ func (d *Discovery) cleanStaleExplodedBundles() {
 					"err", err)
 				continue
 			}
-			if _, configured := runtimes[manifest.ID]; !configured {
+			if _, configured := runtimes[manifest.ID]; configured {
 				continue
 			}
 			explodedDir := filepath.Join(bundlesDir, manifestHash)