diff --git a/lib/csv/parser.rb b/lib/csv/parser.rb
index 25f10df..b14cd04 100644
--- a/lib/csv/parser.rb
+++ b/lib/csv/parser.rb
@@ -1145,11 +1145,9 @@ def parse_unquoted_column_value
       if @first_column_separators
         while true
           @scanner.keep_start
-          is_column_end = @column_ends.all? do |column_end|
-            @scanner.scan(column_end)
-          end
+          is_separator_end = parse_column_end || parse_row_end
           @scanner.keep_back
-          break if is_column_end
+          break if is_separator_end
           sub_separator = @scanner.scan_all(@first_column_separators)
           break if sub_separator.nil?
           value << sub_separator