diff --git a/initializr-generator/src/main/java/io/spring/initializr/generator/language/kotlin/KotlinSourceCodeWriter.java b/initializr-generator/src/main/java/io/spring/initializr/generator/language/kotlin/KotlinSourceCodeWriter.java
index c17d262d8f..b9c86753ff 100644
--- a/initializr-generator/src/main/java/io/spring/initializr/generator/language/kotlin/KotlinSourceCodeWriter.java
+++ b/initializr-generator/src/main/java/io/spring/initializr/generator/language/kotlin/KotlinSourceCodeWriter.java
@@ -77,7 +77,7 @@ public void writeTo(SourceStructure structure, KotlinSourceCode sourceCode) thro
 
 	private static String escapeKotlinKeywords(String packageName) {
 		return Arrays.stream(packageName.split("\\."))
-			.map(segment -> KOTLIN_HARD_KEYWORDS.contains(segment) ? "`" + segment + "`" : segment)
+			.map((segment) -> KOTLIN_HARD_KEYWORDS.contains(segment) ? "`" + segment + "`" : segment)
 			.collect(Collectors.joining("."));
 	}