diff --git a/contiki-cpc/apps/blueround-dsc.c b/contiki-cpc/apps/blueround-dsc.c
index f2d245b..d6ad218 100644
--- a/contiki-cpc/apps/blueround-dsc.c
+++ b/contiki-cpc/apps/blueround-dsc.c
@@ -44,7 +44,7 @@
     &blueround_icon);
 /*-----------------------------------------------------------------------------------*/
 #if CTK_CONF_ICON_BITMAPS
-static unsigned char blueroundicon_bitmap[3*3*8] = {
+static const unsigned char blueroundicon_bitmap[3*3*8] = {
   0xfe,0xf8,0xe0,0xc0,0xc0,0x80,0x80,0x00,
   0x00,0x55,0xaa,0x00,0xaa,0x00,0x00,0x00,
   0x7f,0x1f,0x07,0x03,0x03,0x01,0x01,0x00,
@@ -60,13 +60,13 @@
 #endif /* CTK_CONF_ICON_BITMAPS */
 
 #if CTK_CONF_ICON_TEXTMAPS
-static char blueroundicon_textmap[9] = {
+static const char blueroundicon_textmap[9] = {
   '(', '=', ')',
   '|', 'o', '|',
   '(', '-', ')'
 };
 #endif /* CTK_CONF_ICON_TEXTMAPS */
 
-static struct ctk_icon blueround_icon =
+static const struct ctk_icon blueround_icon =
   {CTK_ICON("Blueround", blueroundicon_bitmap, blueroundicon_textmap)};
 /*-----------------------------------------------------------------------------------*/
diff --git a/contiki-cpc/apps/cgterm-dsc.c b/contiki-cpc/apps/cgterm-dsc.c
index acba8ba..09099cf 100644
--- a/contiki-cpc/apps/cgterm-dsc.c
+++ b/contiki-cpc/apps/cgterm-dsc.c
@@ -44,7 +44,7 @@
     &icon);
 /*-----------------------------------------------------------------------------------*/
 #if CTK_CONF_ICON_BITMAPS
-static unsigned char cgtermicon_bitmap[3*3*8] = {
+static const unsigned char cgtermicon_bitmap[3*3*8] = {
   0x00, 0x7e, 0x40, 0x73, 0x46, 0x4c, 0x18, 0x13,
   0x00, 0x00, 0xff, 0x81, 0x34, 0xc9, 0x00, 0xb6,
   0x00, 0x7e, 0x02, 0xce, 0x72, 0x32, 0x18, 0x48,
@@ -60,13 +60,13 @@
 #endif /* CTK_CONF_ICON_BITMAPS */
 
 #if CTK_CONF_ICON_TEXTMAPS
-static char cgtermicon_textmap[9] = {
+static const char cgtermicon_textmap[9] = {
   'T', 'e', 'l',
   'n', 'e', 't',
   'B', 'B', 'S'
 };
 #endif /* CTK_CONF_ICON_TEXTMAPS */
 
-static struct ctk_icon icon =
+static const struct ctk_icon icon =
   {CTK_ICON("C/G terminal", cgtermicon_bitmap, cgtermicon_textmap)};
 /*-----------------------------------------------------------------------------------*/
diff --git a/contiki-cpc/apps/default-dsc.c b/contiki-cpc/apps/default-dsc.c
index 96507ec..918bebf 100644
--- a/contiki-cpc/apps/default-dsc.c
+++ b/contiki-cpc/apps/default-dsc.c
@@ -44,7 +44,7 @@
     &default_icon);
 /*-----------------------------------------------------------------------------------*/
 #if CTK_CONF_ICON_BITMAPS
-static unsigned char defaulticon_bitmap[3*3*8] = {
+static const unsigned char defaulticon_bitmap[3*3*8] = {
   0xff,0xff,0xc0,0xcf,0xc0,0xc3,0xc0,0xc0,
   0xff,0xff,0x00,0xff,0x00,0xff,0x00,0x00,
   0xff,0xfc,0x00,0xf0,0x00,0xc0,0x00,0x00,
@@ -58,13 +58,13 @@
 #endif /* CTK_CONF_ICON_BITMAPS */
 
 #if CTK_CONF_ICON_TEXTMAPS
-static char defaulticon_textmap[9] = {
+static const char defaulticon_textmap[9] = {
   '+', '=', '+',
   '|', 'D', '|',
   '+', '-', '+'
 };
 #endif /* CTK_CONF_ICON_TEXTMAPS */
 
-static struct ctk_icon default_icon =
+static const struct ctk_icon default_icon =
   {CTK_ICON("Default", defaulticon_bitmap, defaulticon_textmap)};
 /*-----------------------------------------------------------------------------------*/
diff --git a/contiki-cpc/apps/enabler-dsc.c b/contiki-cpc/apps/enabler-dsc.c
index 0051476..46a61f2 100644
--- a/contiki-cpc/apps/enabler-dsc.c
+++ b/contiki-cpc/apps/enabler-dsc.c
@@ -44,7 +44,7 @@
     &enabler_icon);
 /*-----------------------------------------------------------------------------------*/
 #if CTK_CONF_ICON_BITMAPS
-static unsigned char enablericon_bitmap[3*3*8] = {
+static const unsigned char enablericon_bitmap[3*3*8] = {
   0xff,0xff,0xff,0xfc,0xf0,0xf0,0xe0,0xe0,
   0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,
   0xff,0xff,0xff,0x3f,0x0f,0x0f,0x07,0x07,
@@ -60,13 +60,13 @@
 #endif /* CTK_CONF_ICON_BITMAPS */
 
 #if CTK_CONF_ICON_TEXTMAPS
-static char enablericon_textmap[9] = {
+static const char enablericon_textmap[9] = {
   '(', '=', ')',
   '|', 'o', '|',
   '(', '-', ')'
 };
 #endif /* CTK_CONF_ICON_TEXTMAPS */
 
-static struct ctk_icon enabler_icon =
+static const struct ctk_icon enabler_icon =
   {CTK_ICON("Enabler", enablericon_bitmap, enablericon_textmap)};
 /*-----------------------------------------------------------------------------------*/
diff --git a/contiki-cpc/apps/plasma-dsc.c b/contiki-cpc/apps/plasma-dsc.c
index 945215b..73e9622 100644
--- a/contiki-cpc/apps/plasma-dsc.c
+++ b/contiki-cpc/apps/plasma-dsc.c
@@ -44,7 +44,7 @@
     &plasma_icon);
 /*-----------------------------------------------------------------------------------*/
 #if CTK_CONF_ICON_BITMAPS
-static unsigned char plasmaicon_bitmap[3*3*8] = {
+static const unsigned char plasmaicon_bitmap[3*3*8] = {
   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
@@ -60,7 +60,7 @@
 #endif /* CTK_CONF_ICON_BITMAPS */
 
 #if CTK_CONF_ICON_TEXTMAPS
-static char plasmaicon_textmap[9] = {
+static const char plasmaicon_textmap[9] = {
   '.', ' ', '.',
   'o', ' ', 'o',
   'O', ' ', 'O'
diff --git a/contiki-cpc/apps/ravenpine-dsc.c b/contiki-cpc/apps/ravenpine-dsc.c
index cd2cea8..8f86ee1 100644
--- a/contiki-cpc/apps/ravenpine-dsc.c
+++ b/contiki-cpc/apps/ravenpine-dsc.c
@@ -44,7 +44,7 @@
     &ravenpine_icon);
 /*-----------------------------------------------------------------------------------*/
 #if CTK_CONF_ICON_BITMAPS
-static unsigned char ravenpineicon_bitmap[3*3*8] = {
+static const unsigned char ravenpineicon_bitmap[3*3*8] = {
   0x00,0x3f,0x6a,0x40,0x60,0x40,0x60,0x40,
   0x00,0xff,0xaa,0x00,0x00,0x00,0x00,0x00,
   0x00,0xf0,0x20,0x00,0x00,0x00,0x00,0x00,
@@ -60,13 +60,13 @@
 #endif /* CTK_CONF_ICON_BITMAPS */
 
 #if CTK_CONF_ICON_TEXTMAPS
-static char ravenpineicon_textmap[9] = {
+static const char ravenpineicon_textmap[9] = {
   '(', '=', ')',
   '|', 'o', '|',
   '(', '-', ')'
 };
 #endif /* CTK_CONF_ICON_TEXTMAPS */
 
-static struct ctk_icon ravenpine_icon =
+static const struct ctk_icon ravenpine_icon =
   {CTK_ICON("Ravenpine", ravenpineicon_bitmap, ravenpineicon_textmap)};
 /*-----------------------------------------------------------------------------------*/
diff --git a/contiki-cpc/apps/springlight-dsc.c b/contiki-cpc/apps/springlight-dsc.c
index d9fed23..fe65700 100644
--- a/contiki-cpc/apps/springlight-dsc.c
+++ b/contiki-cpc/apps/springlight-dsc.c
@@ -44,7 +44,7 @@
     &springlight_icon);
 /*-----------------------------------------------------------------------------------*/
 #if CTK_CONF_ICON_BITMAPS
-static unsigned char springlighticon_bitmap[3*3*8] = {
+static const unsigned char springlighticon_bitmap[3*3*8] = {
   0x00,0x3f,0x6a,0x40,0x60,0x40,0x60,0x40,
   0x00,0xff,0xaa,0x00,0x00,0x00,0x00,0x00,
   0x00,0xf0,0x20,0x00,0x00,0x00,0x00,0x00,
@@ -60,13 +60,13 @@
 #endif /* CTK_CONF_ICON_BITMAPS */
 
 #if CTK_CONF_ICON_TEXTMAPS
-static char springlighticon_textmap[9] = {
+static const char springlighticon_textmap[9] = {
   '(', '=', ')',
   '|', 'o', '|',
   '(', '-', ')'
 };
 #endif /* CTK_CONF_ICON_TEXTMAPS */
 
-static struct ctk_icon springlight_icon =
+static const struct ctk_icon springlight_icon =
   {CTK_ICON("Springlight", springlighticon_bitmap, springlighticon_textmap)};
 /*-----------------------------------------------------------------------------------*/
diff --git a/contiki-cpc/apps/ssfire-dsc.c b/contiki-cpc/apps/ssfire-dsc.c
index 51a3578..d83923f 100644
--- a/contiki-cpc/apps/ssfire-dsc.c
+++ b/contiki-cpc/apps/ssfire-dsc.c
@@ -44,7 +44,7 @@
     &ssfire_icon);
 /*-----------------------------------------------------------------------------------*/
 #if CTK_CONF_ICON_BITMAPS
-static unsigned char ssfireicon_bitmap[3*3*8] = {
+static const unsigned char ssfireicon_bitmap[3*3*8] = {
   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
   0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
@@ -60,13 +60,13 @@
 #endif /* CTK_CONF_ICON_BITMAPS */
 
 #if CTK_CONF_ICON_TEXTMAPS
-static char ssfireicon_textmap[9] = {
+static const char ssfireicon_textmap[9] = {
   '.', ' ', '.',
   'o', ' ', 'o',
   'O', ' ', 'O'
 };
 #endif /* CTK_CONF_ICON_TEXTMAPS */
 
-static struct ctk_icon ssfire_icon =
+static const struct ctk_icon ssfire_icon =
   {CTK_ICON("Fire", ssfireicon_bitmap, ssfireicon_textmap)};
 /*-----------------------------------------------------------------------------------*/