diff --git a/EclipsingBinaries/Night_Filters.py b/EclipsingBinaries/Night_Filters.py
index e246cb5..24f7291 100644
--- a/EclipsingBinaries/Night_Filters.py
+++ b/EclipsingBinaries/Night_Filters.py
@@ -48,7 +48,7 @@ def check_num():
             exit()
         else:
             print("You have not entered a number or the word 'Close', please try again.\n")
-    return num
+    return int(num)
 
 
 def file_path(i):