diff --git a/src/yovariables/java/us/ihmc/mecano/yoVariables/spatial/YoSpatialInertia.java b/src/yovariables/java/us/ihmc/mecano/yoVariables/spatial/YoSpatialInertia.java
index e3dc862..f385a5d 100644
--- a/src/yovariables/java/us/ihmc/mecano/yoVariables/spatial/YoSpatialInertia.java
+++ b/src/yovariables/java/us/ihmc/mecano/yoVariables/spatial/YoSpatialInertia.java
@@ -82,8 +82,8 @@ public YoSpatialInertia(String nameSuffix, ReferenceFrame bodyFrame, ReferenceFr
       this.expressedInFrame = expressedInFrame;
 
       mass = new YoDouble(bodyFrame.getName() + "_mass" + nameSuffix, registry);
-      centerOfMassOffset = new YoFrameVector3D(bodyFrame.getName() + "_centerOfMassOffset" + nameSuffix, expressedInFrame, registry);
-      momentOfInertia = new YoMatrix3D(bodyFrame.getName() + "_momentOfInertia", registry);
+      centerOfMassOffset = new YoFrameVector3D(bodyFrame.getName() + "_centerOfMassOffset", nameSuffix, expressedInFrame, registry);
+      momentOfInertia = new YoMatrix3D(bodyFrame.getName() + "_momentOfInertia", nameSuffix, registry);
    }
 
    /** {@inheritDoc} */