diff --git a/dexlib2/src/main/java/org/jf/dexlib2/analysis/MethodAnalyzer.java b/dexlib2/src/main/java/org/jf/dexlib2/analysis/MethodAnalyzer.java
index f1b2801d..5afcd01a 100644
--- a/dexlib2/src/main/java/org/jf/dexlib2/analysis/MethodAnalyzer.java
+++ b/dexlib2/src/main/java/org/jf/dexlib2/analysis/MethodAnalyzer.java
@@ -142,7 +142,7 @@ public class MethodAnalyzer {
         //current class
         if (!MethodUtil.isStatic(method)) {
             nonParameterRegisters--;
-            int thisRegister = totalRegisters - parameterRegisters - 1;
+            int thisRegister = totalRegisters - parameterRegisters;
 
             //if this is a constructor, then set the "this" register to an uninitialized reference of the current class
             if (MethodUtil.isConstructor(method)) {