1 files changed, 3 insertions, 1 deletions
diff --git a/lib/compilers/java.js b/lib/compilers/java.js
index a6aa48a78..1a7c22672 100644
--- a/lib/compilers/java.js
+++ b/lib/compilers/java.js
@@ -254,7 +254,9 @@ export class JavaCompiler extends BaseCompiler {
 
                     const sourceLine = Number.parseInt(sourceLineS);
                     currentSourceLine = sourceLine;
-                    method.instructions[currentInstr].sourceLine = currentSourceLine;
+                    if (method.instructions[currentInstr]) {
+                        method.instructions[currentInstr].sourceLine = currentSourceLine;
+                    }
 
                     if (typeof method.startLine === 'undefined') {
                         method.startLine = sourceLine;