diff --git a/pkg/lang/ir/compile.go b/pkg/lang/ir/compile.go
index e53d7f176..0cae6effc 100644
--- a/pkg/lang/ir/compile.go
+++ b/pkg/lang/ir/compile.go
@@ -21,6 +21,7 @@ import (
 
 	"github.com/cockroachdb/errors"
 	"github.com/moby/buildkit/client/llb"
+	"github.com/sirupsen/logrus"
 
 	"github.com/tensorchord/envd/pkg/progress/compileui"
 	"github.com/tensorchord/envd/pkg/types"
@@ -121,6 +122,10 @@ func (g Graph) Compile(uid, gid int) (llb.State, error) {
 
 	// TODO(gaocegege): Remove the hack for https://github.com/tensorchord/envd/issues/370
 	g.gid = 1001
+	logrus.WithFields(logrus.Fields{
+		"uid": g.uid,
+		"gid": g.gid,
+	}).Debug("compile LLB")
 
 	// TODO(gaocegege): Support more OS and langs.
 	base := g.compileBase()
diff --git a/pkg/lang/ir/system.go b/pkg/lang/ir/system.go
index 9da833a7f..c4fa2ea65 100644
--- a/pkg/lang/ir/system.go
+++ b/pkg/lang/ir/system.go
@@ -114,7 +114,7 @@ func (g *Graph) compileBase() llb.State {
 	res := base.
 		Run(llb.Shlex(fmt.Sprintf("groupadd -g %d envd", g.gid)),
 			llb.WithCustomName("[internal] create user group envd")).
-		Run(llb.Shlex(fmt.Sprintf("useradd -p \"\" -u %d -g envd -s /bin/sh -m envd", g.gid)),
+		Run(llb.Shlex(fmt.Sprintf("useradd -p \"\" -u %d -g envd -s /bin/sh -m envd", g.uid)),
 			llb.WithCustomName("[internal] create user envd")).
 		Run(llb.Shlex("adduser envd sudo"),
 			llb.WithCustomName("[internal] add user envd to sudoers")).