diff --git a/lib/librte_cmdline/cmdline_parse.c b/lib/librte_cmdline/cmdline_parse.c
index 940480dec6..29f1afdbe1 100644
--- a/lib/librte_cmdline/cmdline_parse.c
+++ b/lib/librte_cmdline/cmdline_parse.c
@@ -219,7 +219,7 @@ cmdline_parse(struct cmdline *cl, const char * buf)
 	unsigned int inst_num=0;
 	cmdline_parse_inst_t *inst;
 	const char *curbuf;
-	char result_buf[BUFSIZ];
+	char result_buf[CMDLINE_PARSE_RESULT_BUFSIZE];
 	void (*f)(void *, struct cmdline *, void *) = NULL;
 	void *data = NULL;
 	int comment = 0;
diff --git a/lib/librte_cmdline/cmdline_parse.h b/lib/librte_cmdline/cmdline_parse.h
index f18836dfb2..dae53ba790 100644
--- a/lib/librte_cmdline/cmdline_parse.h
+++ b/lib/librte_cmdline/cmdline_parse.h
@@ -80,6 +80,9 @@ extern "C" {
 #define CMDLINE_PARSE_COMPLETE_AGAIN    1
 #define CMDLINE_PARSE_COMPLETED_BUFFER  2
 
+/* maximum buffer size for parsed result */
+#define CMDLINE_PARSE_RESULT_BUFSIZE 8192
+
 /**
  * Stores a pointer to the ops struct, and the offset: the place to
  * write the parsed result in the destination structure.