diff --git a/bake/compose_test.go b/bake/compose_test.go
index 277433a7..ebeb880e 100644
--- a/bake/compose_test.go
+++ b/bake/compose_test.go
@@ -33,7 +33,7 @@ services:
       cache_to:
         - type=local,dest=path/to/cache
       ssh:
-        - key=path/to/key
+        - key=/path/to/key
         - default
       secrets:
         - token
@@ -77,7 +77,7 @@ secrets:
 	require.Equal(t, []string{"type=local,src=path/to/cache"}, stringify(c.Targets[1].CacheFrom))
 	require.Equal(t, []string{"type=local,dest=path/to/cache"}, stringify(c.Targets[1].CacheTo))
 	require.Equal(t, "none", *c.Targets[1].NetworkMode)
-	require.Equal(t, []string{"default", "key=path/to/key"}, stringify(c.Targets[1].SSH))
+	require.Equal(t, []string{"default", "key=/path/to/key"}, stringify(c.Targets[1].SSH))
 	require.Equal(t, []string{
 		"id=aws,src=/root/.aws/credentials",
 		"id=token,env=ENV_TOKEN",
@@ -283,7 +283,7 @@ services:
       tags:
         - ct-addon:baz
       ssh:
-        key: path/to/key
+        key: /path/to/key
       args:
         CT_ECR: foo
         CT_TAG: bar
@@ -338,7 +338,7 @@ services:
 	require.Equal(t, []string{"linux/amd64", "linux/arm64"}, c.Targets[0].Platforms)
 	require.Equal(t, []string{"type=local,src=path/to/cache", "user/app:cache"}, stringify(c.Targets[0].CacheFrom))
 	require.Equal(t, []string{"type=local,dest=path/to/cache", "user/app:cache"}, stringify(c.Targets[0].CacheTo))
-	require.Equal(t, []string{"default", "key=path/to/key", "other=path/to/otherkey"}, stringify(c.Targets[0].SSH))
+	require.Equal(t, []string{"default", "key=/path/to/key", "other=path/to/otherkey"}, stringify(c.Targets[0].SSH))
 	require.Equal(t, newBool(true), c.Targets[0].Pull)
 	require.Equal(t, map[string]string{"alpine": "docker-image://alpine:3.13"}, c.Targets[0].Contexts)
 	require.Equal(t, []string{"ct-fake-aws:bar"}, c.Targets[1].Tags)