diff --git a/.gitignore b/.gitignore
index aef08004..8a072bfa 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,5 +23,4 @@ go.work
 # Don't upload test data
 examples/*/base-images
 examples/*/_build
-examples/*/*.tar
 examples/*/*.iso
\ No newline at end of file
diff --git a/examples/combustion/basic.yaml b/examples/combustion/basic.yaml
index ce31c276..963ee2dc 100644
--- a/examples/combustion/basic.yaml
+++ b/examples/combustion/basic.yaml
@@ -3,7 +3,7 @@ image:
   arch: x86_64
   imageType: combustion
   baseImage: ""
-  outputImageName: combustion.tar
+  outputImageName: combustion.iso
 operatingSystem:
   time:
     timezone: Europe/Berlin
diff --git a/pkg/build/templates/create-combustion.sh.tpl b/pkg/build/templates/create-combustion.sh.tpl
index 1f39048c..042d11d8 100644
--- a/pkg/build/templates/create-combustion.sh.tpl
+++ b/pkg/build/templates/create-combustion.sh.tpl
@@ -11,6 +11,4 @@ mkdir -p {{ .CombustionTmpPath }}
 cp -r {{ .CombustionDir }} {{ .CombustionTmpPath }}
 cp -r {{ .ArtefactsDir }} {{ .CombustionTmpPath }}
 
-mkisofs -J -o {{ .CombustionTmpPath }}/combustion.iso -V combustion {{ .CombustionTmpPath }}
-
-tar -cvf {{.OutputImageFilename}} -C {{ .CombustionTmpPath }} .
\ No newline at end of file
+mkisofs -J -o {{.OutputImageFilename}} -V COMBUSTION {{ .CombustionTmpPath }}
\ No newline at end of file
diff --git a/pkg/combustion/script_test.go b/pkg/combustion/script_test.go
index e987e2f7..c1d46808 100644
--- a/pkg/combustion/script_test.go
+++ b/pkg/combustion/script_test.go
@@ -30,12 +30,15 @@ echo "Running foo.sh"
 `)
 }
 
-func TestAssembleScript_MountCombustion(t *testing.T) {
+func TestAssembleScript_CombustionNoMount(t *testing.T) {
 	script, err := assembleScript([]string{""}, "", "combustion")
 	require.NoError(t, err)
 
-	assert.Contains(t, script, `
-mount -o ro /dev/disk/by-label/combustion /mnt
+	assert.NotContains(t, script, `
+mount -o ro /dev/disk/by-label/INSTALL /mnt
+`)
+	assert.NotContains(t, script, `
+umount / mnt
 `)
 }
 func TestAssembleScript_MountISO(t *testing.T) {
diff --git a/pkg/combustion/templates/script-base.sh.tpl b/pkg/combustion/templates/script-base.sh.tpl
index f31e9ae8..326cbb7b 100644
--- a/pkg/combustion/templates/script-base.sh.tpl
+++ b/pkg/combustion/templates/script-base.sh.tpl
@@ -18,11 +18,11 @@ exec > >(exec tee -a /dev/tty0) 2>&1
 cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1
 
 {{ if eq .ImageType "combustion" -}}
-mount -o ro /dev/disk/by-label/combustion /mnt
+export ARTEFACTS_DIR=../artefacts
 {{- else -}}
 mount -o ro /dev/disk/by-label/INSTALL /mnt
-{{- end }}
 export ARTEFACTS_DIR=/mnt/artefacts
+{{- end }}
 
 {{ range .Scripts -}}
 echo "Running {{ . }}"
@@ -30,4 +30,6 @@ echo "Running {{ . }}"
 
 {{ end -}}
 
+{{ if ne .ImageType "combustion" -}}
 umount /mnt
+{{- end }}