diff --git a/depot/prepare.py b/depot/prepare.py
index b7edd05..dd4a19e 100755
--- a/depot/prepare.py
+++ b/depot/prepare.py
@@ -109,9 +109,9 @@ def main():
     trimal_options = config_opts["trimal_options"]
 
     # turn selection into condition
-    selection = selection.replace("ai","int(row[i_ai])>"+str(ai_cutoff))
-    selection = selection.replace("ahs","int(row[i_ahs])>"+str(ahs_cutoff))
-    selection = selection.replace("outg_pct","int(row[i_pct])>"+str(pct_cutoff))
+    selection = selection.replace("ai","float(row[i_ai])>"+str(ai_cutoff))
+    selection = selection.replace("ahs","float(row[i_ahs])>"+str(ahs_cutoff))
+    selection = selection.replace("outg_pct","float(row[i_pct])>"+str(pct_cutoff))
 
     if trim:
         check_programs("trimal")