diff --git a/spring-boot-project/spring-boot-tools/spring-boot-jarmode-tools/src/main/java/org/springframework/boot/jarmode/tools/ExtractCommand.java b/spring-boot-project/spring-boot-tools/spring-boot-jarmode-tools/src/main/java/org/springframework/boot/jarmode/tools/ExtractCommand.java
index 7103fcc3d5a..c2d0bb0ad9c 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-jarmode-tools/src/main/java/org/springframework/boot/jarmode/tools/ExtractCommand.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-jarmode-tools/src/main/java/org/springframework/boot/jarmode/tools/ExtractCommand.java
@@ -373,8 +373,8 @@ class ExtractCommand extends Command {
 		return file;
 	}
 
-	private static boolean isFileContainedInDirectory(Path canonicalOutputPath, Path canonicalFilePath) {
-		return !canonicalFilePath.equals(canonicalOutputPath) && canonicalFilePath.startsWith(canonicalOutputPath);
+	private static boolean isFileContainedInDirectory(Path directory, Path file) {
+		return !file.equals(directory) && file.startsWith(directory);
 	}
 
 	@FunctionalInterface