diff --git a/ui/build/dumpvars.go b/ui/build/dumpvars.go
index 82b2750..1925e87 100644
--- a/ui/build/dumpvars.go
+++ b/ui/build/dumpvars.go
@@ -17,6 +17,8 @@
 import (
 	"bytes"
 	"fmt"
+	"io/ioutil"
+	"os"
 	"strings"
 
 	"android/soong/ui/metrics"
@@ -51,7 +53,17 @@
 
 	var ret map[string]string
 	if len(makeVars) > 0 {
-		var err error
+		tmpDir, err := ioutil.TempDir("", "dumpvars")
+		if err != nil {
+			return nil, err
+		}
+		defer os.RemoveAll(tmpDir)
+
+		// It's not safe to use the same TMPDIR as the build, as that can be removed.
+		config.Environment().Set("TMPDIR", tmpDir)
+
+		SetupLitePath(ctx, config)
+
 		ret, err = dumpMakeVars(ctx, config, goals, makeVars, false)
 		if err != nil {
 			return ret, err