diff --git a/clinica/pipelines/pet/linear/pipeline.py b/clinica/pipelines/pet/linear/pipeline.py
index 863afdfb7..67c360e79 100644
--- a/clinica/pipelines/pet/linear/pipeline.py
+++ b/clinica/pipelines/pet/linear/pipeline.py
@@ -480,7 +480,7 @@ def _build_core_nodes(self):
                 (
                     ants_registration_nonlinear_node,
                     ants_applytransform_nonlinear_node,
-                    [("forward_transforms", "transforms")],
+                    [("reverse_forward_transforms", "transforms")],
                 ),
                 (
                     ants_applytransform_node,