diff --git a/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp b/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp
index 664b9f5959..20a85331d9 100644
--- a/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp
+++ b/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp
@@ -1041,7 +1041,7 @@ int Avatar::getJointIndex(const QString& name) const {
 
     withValidJointIndicesCache([&]() {
         if (_jointIndicesCache.contains(name)) {
-            result = _jointIndicesCache[name];
+            result = _jointIndicesCache[name] - 1;
         }
     });
     return result;