diff --git a/dexlib2/src/main/java/org/jf/dexlib2/writer/DebugInfoPool.java b/dexlib2/src/main/java/org/jf/dexlib2/writer/DebugInfoPool.java
index daf296e0..b399888a 100644
--- a/dexlib2/src/main/java/org/jf/dexlib2/writer/DebugInfoPool.java
+++ b/dexlib2/src/main/java/org/jf/dexlib2/writer/DebugInfoPool.java
@@ -135,7 +135,7 @@ public class DebugInfoPool {
             List<? extends MethodParameter> parameters = method.getParameters();
             writer.writeUleb128(parameters.size());
             for (MethodParameter parameter: parameters) {
-                writer.writeUleb128(dexFile.stringPool.getIndexNullable(parameter.getName()));
+                writer.writeUleb128(dexFile.stringPool.getIndexNullable(parameter.getName())+1);
             }
 
             if (debugItems != null && debugItems.size() > 0) {