diff --git a/impression/class_impression.py b/impression/class_impression.py
index de31d6e0..64ce358c 100755
--- a/impression/class_impression.py
+++ b/impression/class_impression.py
@@ -481,7 +481,7 @@ def cout(fic_impr):
     
     # Cout des agrafes
     if pages <= 50:
-        fic_impr.nb_copies * (config.c_agraphe * abs(fic_impr.agrafe))
+        c_agrafes = fic_impr.nb_copies * (config.c_agraphe * abs(fic_impr.agrafe))
     else:
         c_agrafes = 0