diff --git a/base/src/main/java/proguard/classfile/editor/AttributeAdder.java b/base/src/main/java/proguard/classfile/editor/AttributeAdder.java
index cdcf36b90..bbe9303dd 100644
--- a/base/src/main/java/proguard/classfile/editor/AttributeAdder.java
+++ b/base/src/main/java/proguard/classfile/editor/AttributeAdder.java
@@ -509,7 +509,7 @@ public void visitRuntimeVisibleParameterAnnotationsAttribute(
         new RuntimeVisibleParameterAnnotationsAttribute(
             constantAdder.addConstant(
                 clazz, runtimeVisibleParameterAnnotationsAttribute.u2attributeNameIndex),
-            0,
+            runtimeVisibleParameterAnnotationsAttribute.u1parametersCount,
             new int[runtimeVisibleParameterAnnotationsAttribute.u1parametersCount],
             parameterAnnotations);
 
@@ -538,7 +538,7 @@ public void visitRuntimeInvisibleParameterAnnotationsAttribute(
         new RuntimeInvisibleParameterAnnotationsAttribute(
             constantAdder.addConstant(
                 clazz, runtimeInvisibleParameterAnnotationsAttribute.u2attributeNameIndex),
-            0,
+            runtimeInvisibleParameterAnnotationsAttribute.u1parametersCount,
             new int[runtimeInvisibleParameterAnnotationsAttribute.u1parametersCount],
             parameterAnnotations);