diff --git a/GLPIAPI.py b/GLPIAPI.py
index bfad6eb..0937914 100644
--- a/GLPIAPI.py
+++ b/GLPIAPI.py
@@ -187,7 +187,7 @@ class GLPIAPI:
         searchUri += f"&forcedisplay[0]={idFieldNumber}"
 
         if(fieldsToDisplay != []):
-            for i in range(1, len(fieldsToDisplay+1)):
+            for i in range(1, len(fieldsToDisplay)+1):
                 searchUri += f"&forcedisplay[{i}]={fieldsToDisplay[i]}"
                 
         search = requests.get(searchUri, headers=self.Headers)