diff --git a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/Tools.java b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/Tools.java
index 2831e2931..366da3856 100644
--- a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/Tools.java
+++ b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/Tools.java
@@ -143,7 +143,7 @@ public final class Tools
         javaArgList.add("-Djava.awt.graphicsenv=net.java.openjdk.cacio.ctc.CTCGraphicsEnvironment");
 
         StringBuilder cacioClasspath = new StringBuilder();
-        cacioClasspath.append("-Xbootclasspath/a");
+        cacioClasspath.append("-Xbootclasspath/p");
         File cacioDir = new File(DIR_GAME_HOME + "/caciocavallo");
         if (cacioDir.exists() && cacioDir.isDirectory()) {
             for (File file : cacioDir.listFiles()) {