diff --git a/Android.bp b/Android.bp
index 8eeb4e8..b9414ce 100644
--- a/Android.bp
+++ b/Android.bp
@@ -224,6 +224,7 @@
         "java/system_modules.go",
     ],
     testSrcs: [
+        "java/app_test.go",
         "java/java_test.go",
     ],
     pluginFor: ["soong_build"],
diff --git a/java/aapt2.go b/java/aapt2.go
index ce307fe..cebd6d1 100644
--- a/java/aapt2.go
+++ b/java/aapt2.go
@@ -54,7 +54,7 @@
 
 var aapt2CompileRule = pctx.AndroidStaticRule("aapt2Compile",
 	blueprint.RuleParams{
-		Command:     `${config.Aapt2Cmd compile -o $outDir $cFlags --legacy $in`,
+		Command:     `${config.Aapt2Cmd} compile -o $outDir $cFlags --legacy $in`,
 		CommandDeps: []string{"${config.Aapt2Cmd}"},
 	},
 	"outDir", "cFlags")
@@ -90,10 +90,10 @@
 
 var aapt2LinkRule = pctx.AndroidStaticRule("aapt2Link",
 	blueprint.RuleParams{
-		Command: `$aapt2Cmd link -o $out $flags --java $genDir --proguard $proguardOptions $inFlags && ` +
+		Command: `${config.Aapt2Cmd} link -o $out $flags --java $genDir --proguard $proguardOptions $inFlags && ` +
 			`${config.SoongZipCmd} -write_if_changed -jar -o $genJar -C $genDir -D $genDir`,
 		CommandDeps: []string{
-			"$aapt2Cmd",
+			"${config.Aapt2Cmd}",
 			"${config.SoongZipCmd}",
 		},
 		Restat: true,