diff --git a/src/main/java/the/bytecode/club/bytecodeviewer/decompilers/bytecode/InstructionPrinter.java b/src/main/java/the/bytecode/club/bytecodeviewer/decompilers/bytecode/InstructionPrinter.java
index ba6e8ac5..797d5727 100644
--- a/src/main/java/the/bytecode/club/bytecodeviewer/decompilers/bytecode/InstructionPrinter.java
+++ b/src/main/java/the/bytecode/club/bytecodeviewer/decompilers/bytecode/InstructionPrinter.java
@@ -76,6 +76,9 @@ public class InstructionPrinter implements Opcodes {
   }
 
   private void precalculateLabelIndexes(MethodNode m) {
+    if(m == null)
+      return;
+    
     int lIdx = 0;
     for (AbstractInsnNode ain : m.instructions) {
       if (ain.getType() == AbstractInsnNode.LABEL) {