diff --git a/src/ft_errno.c b/src/ft_errno.c
index 98a988a..2a74b6b 100644
--- a/src/ft_errno.c
+++ b/src/ft_errno.c
@@ -6,7 +6,7 @@
 /*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/02/21 12:40:46 by khais             #+#    #+#             */
-/*   Updated: 2025/02/21 12:40:51 by khais            ###   ########.fr       */
+/*   Updated: 2025/02/21 15:38:54 by khais            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -50,6 +50,7 @@ char	*ft_strerror(t_errno errno)
 	[FT_ESUCCESS] = "Success",
 	[FT_EINVAL] = "Invalid argument",
 	[FT_EBADID] = "Bad identifier",
+	[FT_EUNEXPECTED_PIPE] = "minishell: syntax error near unexpected token `|'",
 	};
 
 	if (errno >= 0 && errno < FT_EMAXERRNO)
diff --git a/src/ft_errno.h b/src/ft_errno.h
index 4d8c615..67941e9 100644
--- a/src/ft_errno.h
+++ b/src/ft_errno.h
@@ -6,7 +6,7 @@
 /*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/02/21 12:40:58 by khais             #+#    #+#             */
-/*   Updated: 2025/02/21 12:41:02 by khais            ###   ########.fr       */
+/*   Updated: 2025/02/21 15:37:56 by khais            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -20,6 +20,7 @@ typedef enum e_errno
 	FT_ESUCCESS		= 0,
 	FT_EINVAL,
 	FT_EBADID,
+	FT_EUNEXPECTED_PIPE,
 	FT_EMAXERRNO,
 }	t_errno;
 
diff --git a/src/parser/pipeline/pipeline.c b/src/parser/pipeline/pipeline.c
index d07787a..a421b07 100644
--- a/src/parser/pipeline/pipeline.c
+++ b/src/parser/pipeline/pipeline.c
@@ -6,13 +6,13 @@
 /*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/02/21 13:23:50 by khais             #+#    #+#             */
-/*   Updated: 2025/02/21 15:23:12 by khais            ###   ########.fr       */
+/*   Updated: 2025/02/21 15:42:34 by khais            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "pipeline.h"
 #include "libft.h"
-#include "unistd.h"
+#include "../../ft_errno.h"
 #include "../matchers/pipe.h"
 
 static int	pipeline_count_cmds(t_wordlist *words)
@@ -53,9 +53,11 @@ static t_pipeline	*pipeline_parse_wordlist(t_pipeline *pipeline,
 		{
 			pipeline->cmds[idx] = simple_cmd_from_wordlist(current_wordlist);
 			if (pipeline->cmds[idx] == NULL)
-				return (pipeline_destroy(pipeline), NULL);
+				return (pipeline_destroy(pipeline), wordlist_destroy(words), NULL);
 			current_wordlist = NULL;
 			current_word = ignore_word(current_word, &words);
+			if (is_pipe(current_word))
+				return (pipeline_destroy(pipeline), wordlist_destroy(words), worddesc_destroy(current_word), ft_errno(FT_EUNEXPECTED_PIPE), NULL);
 			idx++;
 		}
 		current_wordlist = wordlist_push(current_wordlist, current_word);
diff --git a/tests/parse_pipelines.c b/tests/parse_pipelines.c
index 594af28..53bf02d 100644
--- a/tests/parse_pipelines.c
+++ b/tests/parse_pipelines.c
@@ -6,12 +6,13 @@
 /*   By: khais <marvin@42.fr>                       +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/02/21 13:13:58 by khais             #+#    #+#             */
-/*   Updated: 2025/02/21 15:29:48 by khais            ###   ########.fr       */
+/*   Updated: 2025/02/21 16:03:39 by khais            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "../src/parser/pipeline/pipeline.h"
 #include "../src/parser/wordsplit/wordsplit.h"
+#include "../src/ft_errno.h"
 #include <assert.h>
 #include "ft_printf.h"
 #include "libft.h"
@@ -95,6 +96,20 @@ static void	test_parse_pipeline_four_cmd(void)
 	pipeline_destroy(pipeline);
 }
 
+static void	test_parse_pipeline_double_pipe_rejected(void)
+{
+	ft_errno(FT_ESUCCESS);
+	assert(parse_pipeline("echo hello | | tee output.txt") == NULL);
+	assert(ft_errno_get() == FT_EUNEXPECTED_PIPE);
+}
+
+static void	test_parse_pipeline_triple_pipe_rejected(void)
+{
+	ft_errno(FT_ESUCCESS);
+	assert(parse_pipeline("echo hello | | | tee output.txt") == NULL);
+	assert(ft_errno_get() == FT_EUNEXPECTED_PIPE);
+}
+
 int	main(void)
 {
 	test_parse_empty_pipeline();
@@ -102,5 +117,7 @@ int	main(void)
 	test_parse_pipeline_two_cmd();
 	test_parse_pipeline_three_cmd();
 	test_parse_pipeline_four_cmd();
+	test_parse_pipeline_double_pipe_rejected();
+	test_parse_pipeline_triple_pipe_rejected();
 	return (0);
 }