diff --git a/channels/cliprdr/cliprdr_main.c b/channels/cliprdr/cliprdr_main.c
index e23095acc..6a2fc99b3 100644
--- a/channels/cliprdr/cliprdr_main.c
+++ b/channels/cliprdr/cliprdr_main.c
@@ -32,7 +32,7 @@
 #include "cliprdr_main.h"
 #include "cliprdr_format.h"
 
-char CB_MSG_TYPE_STRINGS[12][50] =
+static const char* const CB_MSG_TYPE_STRINGS[] =
 {
 	"",
 	"CB_MONITOR_READY",
diff --git a/channels/rail/rail_orders.c b/channels/rail/rail_orders.c
index 5d1b35c5c..0674be0ef 100644
--- a/channels/rail/rail_orders.c
+++ b/channels/rail/rail_orders.c
@@ -39,7 +39,7 @@
 #define RAIL_ORDER_TYPE_GET_APPID_REQ		0x000E
 #define RAIL_ORDER_TYPE_GET_APPID_RESP		0x000F
 
-uint8 RAIL_ORDER_TYPE_STRINGS[][32] =
+static const char* const RAIL_ORDER_TYPE_STRINGS[] =
 {
 	"",
 	"Execute",