diff --git a/Jenkinsfile b/Jenkinsfile
index 4af8abf37..90874bf94 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -68,7 +68,7 @@ pipeline {
                         dir('src/github.com/docker/app') {
                             checkout scm
                             sh 'make -f docker.Makefile save-invocation-image'
-                            stash name: 'invocation-image', includes: 'invocation-image.tar'
+                            stash name: 'invocation-image', includes: './_build/invocation-image.tar'
                         }
                     }
                     post {
diff --git a/Jenkinsfile.baguette b/Jenkinsfile.baguette
index 4d5d1753f..f60fb855c 100644
--- a/Jenkinsfile.baguette
+++ b/Jenkinsfile.baguette
@@ -62,8 +62,8 @@ pipeline {
                             sh 'make -f docker.Makefile save-invocation-image'
                         }
                         dir('/tmp') {
-                            stash name: 'invocation-image', includes: 'invocation-image-*.tar'
-                            archiveArtifacts 'invocation-image-*.tar'
+                            stash name: 'invocation-image', includes: './_build/invocation-image-*.tar'
+                            archiveArtifacts './_build/invocation-image-*.tar'
                         }                        
                         dir('src/github.com/docker/app') {
                             sh 'make -f docker.Makefile clean-invocation-image'
diff --git a/docker.Makefile b/docker.Makefile
index 123247054..3c2581fa4 100644
--- a/docker.Makefile
+++ b/docker.Makefile
@@ -13,17 +13,16 @@ E2E_CROSS_CTNR_NAME := $(BIN_NAME)-e2e-cross-$(TAG)
 COV_CTNR_NAME := $(BIN_NAME)-cov-$(TAG)
 SCHEMAS_CTNR_NAME := $(BIN_NAME)-schemas-$(TAG)
 
-
 BUILD_ARGS=--build-arg=EXPERIMENTAL=$(EXPERIMENTAL) --build-arg=TAG=$(TAG) --build-arg=COMMIT=$(COMMIT)
 
 PKG_PATH := /go/src/$(PKG_NAME)
 
 CNAB_BASE_INVOCATION_IMAGE_NAME := docker/cnab-app-base:$(TAG)
 
-CNAB_BASE_INVOCATION_IMAGE_PATH := /tmp/invocation-image-$(TAG).tar
+CNAB_BASE_INVOCATION_IMAGE_PATH := ./_build/invocation-image-$(TAG).tar
 RM := rm
 ifeq ($(OS),Windows_NT)
-  CNAB_BASE_INVOCATION_IMAGE_PATH := c:\tmp\invocation-image-$(TAG).tar
+  CNAB_BASE_INVOCATION_IMAGE_PATH := .\_build\invocation-image-$(TAG).tar
   RM := del
 endif
 
@@ -109,9 +108,11 @@ invocation-image:
 	docker build $(BUILD_ARGS) --target=invocation -t $(CNAB_BASE_INVOCATION_IMAGE_NAME) .
 
 save-invocation-image: invocation-image
+	@$(call mkdir,_build)
 	docker save $(CNAB_BASE_INVOCATION_IMAGE_NAME) -o $(CNAB_BASE_INVOCATION_IMAGE_PATH)
 
 load-invocation-image:
+	@$(call mkdir,_build)
 	docker load -i $(CNAB_BASE_INVOCATION_IMAGE_PATH)
 	$(RM) $(CNAB_BASE_INVOCATION_IMAGE_PATH)