diff --git a/weaver/src/org/aspectj/weaver/bcel/BcelAdvice.java b/weaver/src/org/aspectj/weaver/bcel/BcelAdvice.java
index 64d6a10..7b780c7 100644
--- a/weaver/src/org/aspectj/weaver/bcel/BcelAdvice.java
+++ b/weaver/src/org/aspectj/weaver/bcel/BcelAdvice.java
@@ -243,12 +243,13 @@ class BcelAdvice extends Advice {
                                containsInvokedynamic = 1;
                                LazyMethodGen lmg = boType.getLazyClassGen().getLazyMethodGen(this.signature.getName(), this.signature.getSignature(), true);
                                // Check Java8 supertypes
+                               BcelObjectType bot = boType;
                                while (lmg == null) {
-                                       ResolvedType superType = boType.getSuperclass();
+                                       ResolvedType superType = bot.getSuperclass();
                                        if (superType == null) break;
                                        ReferenceTypeDelegate rtd = ((ReferenceType)superType).getDelegate();
                                        if (rtd instanceof BcelObjectType) {
-                                               BcelObjectType bot = (BcelObjectType)rtd;
+                                               bot = (BcelObjectType)rtd;
                                                if (bot.javaClass.getMajor() < Constants.MAJOR_1_8) {
                                                        break;
                                                }