diff --git a/examples/deepcopy-gen/generators/deepcopy.go b/examples/deepcopy-gen/generators/deepcopy.go
index c126b925..68be1fc4 100644
--- a/examples/deepcopy-gen/generators/deepcopy.go
+++ b/examples/deepcopy-gen/generators/deepcopy.go
@@ -196,7 +196,6 @@ func Packages(context *generator.Context, arguments *args.GeneratorArgs) generat
 				expandedPath := strings.TrimPrefix(pkg.SourcePath, arguments.OutputBase)
 				if strings.Contains(expandedPath, "/vendor/") {
 					path = expandedPath
-					glog.V(3).Infof("  %s", path)
 				}
 			}
 			packages = append(packages,
diff --git a/examples/defaulter-gen/generators/defaulter.go b/examples/defaulter-gen/generators/defaulter.go
index f72a5e3b..d293cb6b 100644
--- a/examples/defaulter-gen/generators/defaulter.go
+++ b/examples/defaulter-gen/generators/defaulter.go
@@ -328,10 +328,25 @@ func Packages(context *generator.Context, arguments *args.GeneratorArgs) generat
 			glog.V(5).Infof("no defaulters in package %s", pkg.Name)
 		}
 
+		path := pkg.Path
+		// if the source path is within a /vendor/ directory (for example,
+		// k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/apis/meta/v1), allow
+		// generation to output to the proper relative path (under vendor).
+		// Otherwise, the generator will create the file in the wrong location
+		// in the output directory.
+		// TODO: build a more fundamental concept in gengo for dealing with modifications
+		// to vendored packages.
+		if strings.HasPrefix(pkg.SourcePath, arguments.OutputBase) {
+			expandedPath := strings.TrimPrefix(pkg.SourcePath, arguments.OutputBase)
+			if strings.Contains(expandedPath, "/vendor/") {
+				path = expandedPath
+			}
+		}
+
 		packages = append(packages,
 			&generator.DefaultPackage{
 				PackageName: filepath.Base(pkg.Path),
-				PackagePath: pkg.Path,
+				PackagePath: path,
 				HeaderText:  header,
 				GeneratorFunc: func(c *generator.Context) (generators []generator.Generator) {
 					return []generator.Generator{