diff --git a/Cassiopee/Apps/test/FastLBM_t1.py b/Cassiopee/Apps/test/FastLBM_t1.py
index d26f80d15..e400a202e 100644
--- a/Cassiopee/Apps/test/FastLBM_t1.py
+++ b/Cassiopee/Apps/test/FastLBM_t1.py
@@ -122,6 +122,7 @@
 Internal._rmNodesByName(t, '.Solver#ownData')
 # POST
 Internal._rmNodesByName(t,'*M1*')
+Internal._rmNodesByName(t,'*_P1')
 Internal._rmNodesByName(t,'*cell*')
 Internal._rmNodesByName(t,'*Qstar*')
 Internal._rmNodesByName(t,'*Qeq*')