diff --git a/NorwegianExperimentalList alternate versions/XYZPrepareFilters.py b/NorwegianExperimentalList alternate versions/XYZPrepareFilters.py
index eaff0854a..046868458 100644
--- a/NorwegianExperimentalList alternate versions/XYZPrepareFilters.py	
+++ b/NorwegianExperimentalList alternate versions/XYZPrepareFilters.py	
@@ -710,6 +710,12 @@ def prepare_abp(lines) -> str:
            line
         )
 
+        line = re.sub(
+           r"^!$", 
+           r"", 
+           line
+        )
+
         if is_supported_abp(line):
             text += line + '\r\n'
 
@@ -2176,6 +2182,12 @@ def prepare_abp(lines) -> str:
            line
         )
 
+        line = re.sub(
+           r"^!$", 
+           r"", 
+           line
+        )
+
         if is_supported_abp(line):
             text += line + '\r\n'