diff --git a/src/fenrirscreenreader/utils/screen_utils.py b/src/fenrirscreenreader/utils/screen_utils.py
index 00224ce2..7d2eea21 100644
--- a/src/fenrirscreenreader/utils/screen_utils.py
+++ b/src/fenrirscreenreader/utils/screen_utils.py
@@ -41,7 +41,7 @@ def hasMore(fd, timetout=0.2):
 def hasMoreWaht(fdList, timetout=0.2):
     if not isinstance(fdList, list):
         return []  
-    if fdList = []:
+    if fdList == []:
         return []
     r, _, _ = select.select(fdList, [], [], timetout)
     return r