diff --git a/src/schnetpack/transform/atomistic.py b/src/schnetpack/transform/atomistic.py
index a13672853..cc7a09ee6 100644
--- a/src/schnetpack/transform/atomistic.py
+++ b/src/schnetpack/transform/atomistic.py
@@ -227,6 +227,6 @@ def forward(
             if not self.is_extensive:
                 y0 /= inputs[structure.n_atoms]
 
-            inputs[self._property] -= y0
+            inputs[self._property] += y0
 
         return inputs