diff --git a/commands/true.c b/commands/true.c
index b850f51..ad2be8e 100644
--- a/commands/true.c
+++ b/commands/true.c
@@ -26,7 +26,7 @@
 	return 0;
 }
 
-static const char *true_aliases[] = { ":", NULL};
+static const char * const true_aliases[] = { ":", NULL};
 
 BAREBOX_CMD_START(true)
 	.aliases	= true_aliases,