diff --git a/integration/examples/custom/build.sh b/integration/examples/custom/build.sh
index 97a2b585891..0eefbc1ff8e 100755
--- a/integration/examples/custom/build.sh
+++ b/integration/examples/custom/build.sh
@@ -1,16 +1,20 @@
 #!/usr/bin/env bash
 set -e
 
-if ! [ -x "$(command -v ko)" ]; then
+if ! [ -x "$(go env GOPATH)/bin/ko" ]; then
     pushd $(mktemp -d)
-    go mod init tmp; GOFLAGS= go get github.com/google/ko/cmd/ko@v0.6.0
+    curl -L https://github.com/google/ko/archive/v0.8.3.tar.gz | tar --strip-components 1 -zx
+    go build -o $(go env GOPATH)/bin/ko .
     popd
 fi
 
-output=$(ko publish --local --preserve-import-paths --tags= . | tee)
+output=$($(go env GOPATH)/bin/ko publish --local --preserve-import-paths --tags= . | tee)
 ref=$(echo "$output" | tail -n1)
 
 docker tag "$ref" "$IMAGE"
 if [[ "${PUSH_IMAGE}" == "true" ]]; then
+    echo "Pushing $IMAGE"
     docker push "$IMAGE"
+else
+    echo "Not pushing $IMAGE"
 fi
diff --git a/integration/examples/custom/k8s/pod.yaml b/integration/examples/custom/k8s/pod.yaml
index f44d7ef18a4..8602cefa112 100644
--- a/integration/examples/custom/k8s/pod.yaml
+++ b/integration/examples/custom/k8s/pod.yaml
@@ -1,8 +1,8 @@
 apiVersion: v1
 kind: Pod
 metadata:
-  name: getting-started
+  name: getting-started-custom
 spec:
   containers:
-  - name: getting-started
-    image: github.com/googlecontainertools/skaffold/examples/custom
+  - name: getting-started-custom
+    image: ko://github.com/GoogleContainerTools/skaffold/examples/custom
diff --git a/integration/examples/custom/skaffold.yaml b/integration/examples/custom/skaffold.yaml
index 3fe4ddade23..360aa426752 100644
--- a/integration/examples/custom/skaffold.yaml
+++ b/integration/examples/custom/skaffold.yaml
@@ -2,7 +2,7 @@ apiVersion: skaffold/v2beta21
 kind: Config
 build:
   artifacts:
-  - image: github.com/googlecontainertools/skaffold/examples/custom
+  - image: ko://github.com/GoogleContainerTools/skaffold/examples/custom
     custom:
       buildCommand: ./build.sh
       dependencies:
diff --git a/integration/run_test.go b/integration/run_test.go
index 823f25dfd4c..a5e9995d7dc 100644
--- a/integration/run_test.go
+++ b/integration/run_test.go
@@ -113,7 +113,7 @@ var tests = []struct {
 	{
 		description: "custom builder",
 		dir:         "examples/custom",
-		pods:        []string{"getting-started"},
+		pods:        []string{"getting-started-custom"},
 	},
 	{
 		description: "buildpacks Go",
diff --git a/pkg/skaffold/kubernetes/loader/load.go b/pkg/skaffold/kubernetes/loader/load.go
index ce9dd49b5a4..ec38d73559b 100644
--- a/pkg/skaffold/kubernetes/loader/load.go
+++ b/pkg/skaffold/kubernetes/loader/load.go
@@ -28,6 +28,7 @@ import (
 	"k8s.io/client-go/tools/clientcmd/api"
 
 	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/config"
+	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/docker"
 	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/graph"
 	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/kubectl"
 	kubectx "github.com/GoogleContainerTools/skaffold/pkg/skaffold/kubernetes/context"
@@ -60,7 +61,7 @@ func NewImageLoader(kubeContext string, cli *kubectl.CLI) *ImageLoader {
 func imagesToLoad(localImages, deployerImages, images []graph.Artifact) []graph.Artifact {
 	local := map[string]bool{}
 	for _, image := range localImages {
-		local[image.ImageName] = true
+		local[docker.SanitizeImageName(image.ImageName)] = true
 	}
 
 	tracked := map[string]bool{}
@@ -72,7 +73,7 @@ func imagesToLoad(localImages, deployerImages, images []graph.Artifact) []graph.
 
 	var res []graph.Artifact
 	for _, image := range images {
-		if tracked[image.ImageName] {
+		if tracked[docker.SanitizeImageName(image.ImageName)] {
 			res = append(res, image)
 		}
 	}
diff --git a/pkg/skaffold/kubernetes/loader/load_test.go b/pkg/skaffold/kubernetes/loader/load_test.go
index 2129da832a9..f5bacc70831 100644
--- a/pkg/skaffold/kubernetes/loader/load_test.go
+++ b/pkg/skaffold/kubernetes/loader/load_test.go
@@ -200,6 +200,13 @@ func TestImagesToLoad(t *testing.T) {
 			builtImages:    []graph.Artifact{{ImageName: "image1", Tag: "foo"}},
 			expectedImages: nil,
 		},
+		{
+			name:           "single image marked as local, with ko prefix and Go import path with uppercase characters",
+			localImages:    []graph.Artifact{{ImageName: "ko://example.com/Organization/Image1", Tag: "Foo"}},
+			deployerImages: []graph.Artifact{{ImageName: "example.com/organization/image1", Tag: "Foo"}},
+			builtImages:    []graph.Artifact{{ImageName: "ko://example.com/Organization/Image1", Tag: "Foo"}},
+			expectedImages: []graph.Artifact{{ImageName: "ko://example.com/Organization/Image1", Tag: "Foo"}},
+		},
 		{
 			name:           "two images marked as local",
 			localImages:    []graph.Artifact{{ImageName: "image1", Tag: "foo"}, {ImageName: "image2", Tag: "bar"}},