diff --git a/module/spring-boot-mail/build.gradle b/module/spring-boot-mail/build.gradle
index 65967e187e5..91d14d439bf 100644
--- a/module/spring-boot-mail/build.gradle
+++ b/module/spring-boot-mail/build.gradle
@@ -48,3 +48,11 @@ dependencies {
 
 	testRuntimeOnly("ch.qos.logback:logback-classic")
 }
+
+tasks.named("compileTestJava") {
+	options.nullability.checking = "tests"
+}
+
+tasks.named("compileDockerTestJava") {
+	options.nullability.checking = "tests"
+}