diff --git a/dexlib/src/main/java/org/jf/dexlib/code/InstructionField.java b/dexlib/src/main/java/org/jf/dexlib/code/InstructionField.java
index 7ce1c1f3..064cb873 100644
--- a/dexlib/src/main/java/org/jf/dexlib/code/InstructionField.java
+++ b/dexlib/src/main/java/org/jf/dexlib/code/InstructionField.java
@@ -88,7 +88,7 @@ public class InstructionField implements Field<InstructionField> {
             switch (secondByte) {
                 case 0x00:
                     //nop
-                    instruction = Opcode.NOP.format.Factory.makeInstruction(dexFile, Opcode.NOP, new byte[]{0x00, 0x00});
+                    instruction = Opcode.NOP.format.Factory.makeInstruction(dexFile, Opcode.NOP, new byte[]{0x00});
                     return;
                 case 0x01:
                     //packed switch