diff --git a/lib/impression/__init__.py b/lib/impression/__init__.py
index 9236a78e..f660e91a 100755
--- a/lib/impression/__init__.py
+++ b/lib/impression/__init__.py
@@ -89,7 +89,7 @@ NB_AGRAPHES = {
 PAPIER_A4 = "A4"
 PAPIER_A4_TRANSPARENT = "A4tr"
 PAPIER_A3 = "A3"
-PAPIER_VALEURS_POSSIBLES = [PAPIER_A4, PAPIER_A4_TRANSPARENT, PAPIER_A3]
+PAPIER_VALEURS_POSSIBLES = [PAPIER_A4, PAPIER_A4_TRANSPARENT]
 
 IMPRESSION_COULEUR = "couleurs"
 IMPRESSION_NB = "nb"