diff --git a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/Handler.java b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/Handler.java
index 8b5a09ca2ba0..67bf8048f046 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/Handler.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-loader/src/main/java/org/springframework/boot/loader/jar/Handler.java
@@ -413,7 +413,7 @@ static void addToRootFileCache(File sourceFile, JarFile jarFile) {
 	 */
 	static void captureJarContextUrl() {
 		if (canResetCachedUrlHandlers()) {
-			String handlers = System.getProperty(PROTOCOL_HANDLER, "");
+			String handlers = System.getProperty(PROTOCOL_HANDLER);
 			try {
 				System.clearProperty(PROTOCOL_HANDLER);
 				try {