diff --git a/renderers.py b/renderers.py
index 469b1f3..cda7dd6 100644
--- a/renderers.py
+++ b/renderers.py
@@ -13,7 +13,7 @@ def tsv( *fields ):
 	print( *fields, sep='\t' )
 
 def csv( *fields ):
-	print( *[ '"' + f.replace('"','\\"') + '"' for f in fields ], sep=',' )
+	print( *[ '"' + str(f).replace('"','\\"') + '"' for f in fields ], sep=',' )
 
 def json( obj ):
 	print( JSON.dumps(obj, indent=4) ) #"\t") )