diff --git a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java
index 836886cb3..7083a8d88 100644
--- a/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java
+++ b/app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/utils/JREUtils.java
@@ -452,6 +452,8 @@ public class JREUtils {
                     }
                     end = Math.min(end, tempEnd);
                 }
+                //Fallback
+                if(end == -1) end = args.length();
 
                 //Extract it
                 String parsedSubString = args.substring(start, end);