diff --git a/java/dexpreopt_test.go b/java/dexpreopt_test.go
index 5b55799..e4c80dd 100644
--- a/java/dexpreopt_test.go
+++ b/java/dexpreopt_test.go
@@ -83,6 +83,15 @@
 			enabled: false,
 		},
 		{
+			name: "java test",
+			bp: `
+				java_test {
+					name: "foo",
+					srcs: ["a.java"],
+				}`,
+			enabled: false,
+		},
+		{
 			name: "android test",
 			bp: `
 				android_test {
diff --git a/java/java.go b/java/java.go
index c02ccd3..12e724e 100644
--- a/java/java.go
+++ b/java/java.go
@@ -1601,6 +1601,7 @@
 		&module.testProperties)
 
 	module.Module.properties.Installable = proptools.BoolPtr(true)
+	module.Module.dexpreopter.isTest = true
 
 	InitJavaModule(module, android.HostAndDeviceSupported)
 	return module