diff --git a/include/asterisk/cli.h b/include/asterisk/cli.h
index 6b8308e75570467e76fdbd4cedcc5fd79598fdcb..8f6b0b84b095a3b7bd390ecaad7de6c94a4f4f50 100644
--- a/include/asterisk/cli.h
+++ b/include/asterisk/cli.h
@@ -165,7 +165,7 @@ struct ast_cli_entry {
 	old_cli_fn handler;
 
 	const char *summary; /*!< Summary of the command (< 60 characters) */
-	char *usage; /*!< Detailed usage information */
+	const char *usage; /*!< Detailed usage information */
 
 	/*! Generate the n-th (starting from 0) possible completion
 	  for a given 'word' following 'line' in position 'pos'.