diff --git a/dexlib2/src/main/java/org/jf/dexlib2/writer/util/InstructionWriteUtil.java b/dexlib2/src/main/java/org/jf/dexlib2/writer/util/InstructionWriteUtil.java
index a0b48be3..f729dd72 100644
--- a/dexlib2/src/main/java/org/jf/dexlib2/writer/util/InstructionWriteUtil.java
+++ b/dexlib2/src/main/java/org/jf/dexlib2/writer/util/InstructionWriteUtil.java
@@ -154,7 +154,7 @@ public class InstructionWriteUtil {
                     	offsetToNewInstructionMap = new HashMap<Integer,Format>();
                     }
                     codeOffsetShifts.add(currentCodeOffset+instruction.getCodeUnits());
-                    offsetToNewInstructionMap.put(currentCodeOffset, instruction.getOpcode().format);
+                    offsetToNewInstructionMap.put(currentCodeOffset, Opcode.CONST_STRING_JUMBO.format);
                 }
             }
             currentCodeOffset += instruction.getCodeUnits();