diff --git a/input/grid5000/sites/lyon/pdus.yaml b/input/grid5000/sites/lyon/pdus.yaml
index 798d65df8c9d6b0730a41f26068fa3740e1eb8fb..469042e417b7b46939f3dca11eeedaf25beed721 100644
--- a/input/grid5000/sites/lyon/pdus.yaml
+++ b/input/grid5000/sites/lyon/pdus.yaml
@@ -14,14 +14,14 @@ pdus:
         module: "04000016"
         channel: 1
         phase: 1
-        phase_inverted: true
+        phase_inverted: false
       15: #bank2
         uid: neowise-2
         wattmetre: wattmetrev3-1
         module: "04000016"
         channel: 2
         phase: 1
-        phase_inverted: true
+        phase_inverted: false
       20: #bank3
         uid: neowise-3
         wattmetre: wattmetrev3-1
@@ -42,7 +42,7 @@ pdus:
         module: "04000016"
         channel: 5
         phase: 2
-        phase_inverted: true
+        phase_inverted: false
 
   pdu1b:
     # Rangée 9, 1ere armoire, PDU droite