diff --git a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/ConfigDataEnvironmentPostProcessorIntegrationTests.java b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/ConfigDataEnvironmentPostProcessorIntegrationTests.java
index 359135067a..91da040f17 100644
--- a/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/ConfigDataEnvironmentPostProcessorIntegrationTests.java
+++ b/spring-boot-project/spring-boot/src/test/java/org/springframework/boot/context/config/ConfigDataEnvironmentPostProcessorIntegrationTests.java
@@ -421,7 +421,8 @@ class ConfigDataEnvironmentPostProcessorIntegrationTests {
 
 	@Test
 	void runWhenCustomDefaultProfileSameAsActiveFromFileActivatesProfile() {
-		ConfigurableApplicationContext context = this.application.run("--spring.profiles.default=customdefault",
+		ConfigurableApplicationContext context = this.application.run(
+				"--spring.config.location=classpath:configdata/profiles/", "--spring.profiles.default=customdefault",
 				"--spring.config.name=customprofile");
 		ConfigurableEnvironment environment = context.getEnvironment();
 		assertThat(environment.containsProperty("customprofile")).isTrue();
diff --git a/spring-boot-project/spring-boot/src/test/resources/configdata/profiles/customprofile-customdefault.properties b/spring-boot-project/spring-boot/src/test/resources/configdata/profiles/customprofile-customdefault.properties
new file mode 100644
index 0000000000..0888bcc459
--- /dev/null
+++ b/spring-boot-project/spring-boot/src/test/resources/configdata/profiles/customprofile-customdefault.properties
@@ -0,0 +1 @@
+customprofile-customdefault=true
diff --git a/spring-boot-project/spring-boot/src/test/resources/configdata/profiles/customprofile.properties b/spring-boot-project/spring-boot/src/test/resources/configdata/profiles/customprofile.properties
new file mode 100644
index 0000000000..4e26520999
--- /dev/null
+++ b/spring-boot-project/spring-boot/src/test/resources/configdata/profiles/customprofile.properties
@@ -0,0 +1,2 @@
+spring.profiles.active=customdefault
+customprofile=true