diff --git a/image/wsicon16.xpm b/image/wsicon16.xpm
index eeda8c3a80..1d23d7b8bc 100644
--- a/image/wsicon16.xpm
+++ b/image/wsicon16.xpm
@@ -1,5 +1,5 @@
 /* XPM */
-static char * wsicon16_xpm[] = {
+static const char * wsicon16_xpm[] = {
 "16 16 128 2",
 "  	c None",
 ". 	c #03131B",
diff --git a/image/wsicon32.xpm b/image/wsicon32.xpm
index 2a9631563b..f4cdf4d53b 100644
--- a/image/wsicon32.xpm
+++ b/image/wsicon32.xpm
@@ -1,5 +1,5 @@
 /* XPM */
-static char * wsicon32_xpm[] = {
+static const char * wsicon32_xpm[] = {
 "32 32 236 2",
 "  	c None",
 ". 	c #000000",
diff --git a/image/wsicon48.xpm b/image/wsicon48.xpm
index 1feca0f04e..487982b1ef 100644
--- a/image/wsicon48.xpm
+++ b/image/wsicon48.xpm
@@ -1,5 +1,5 @@
 /* XPM */
-static char * wsicon48_xpm[] = {
+static const char * wsicon48_xpm[] = {
 "48 48 336 2",
 "  	c None",
 ". 	c #000000",
diff --git a/image/wsicon64.xpm b/image/wsicon64.xpm
index 9f583d794f..2a16997c46 100644
--- a/image/wsicon64.xpm
+++ b/image/wsicon64.xpm
@@ -1,5 +1,5 @@
 /* XPM */
-static char * wsicon64_xpm[] = {
+static const char * wsicon64_xpm[] = {
 "64 64 395 2",
 "  	c None",
 ". 	c #000000",
diff --git a/image/wsiconcap16.xpm b/image/wsiconcap16.xpm
index 15ae18855d..38eeb7b66c 100644
--- a/image/wsiconcap16.xpm
+++ b/image/wsiconcap16.xpm
@@ -1,5 +1,5 @@
 /* XPM */
-static char * wsiconcap16_xpm[] = {
+static const char * wsiconcap16_xpm[] = {
 "16 16 156 2",
 "  	c None",
 ". 	c #03131B",
diff --git a/image/wsiconcap32.xpm b/image/wsiconcap32.xpm
index 477d5f30b5..5157fc731f 100644
--- a/image/wsiconcap32.xpm
+++ b/image/wsiconcap32.xpm
@@ -1,5 +1,5 @@
 /* XPM */
-static char * wsiconcap32_xpm[] = {
+static const char * wsiconcap32_xpm[] = {
 "32 32 312 2",
 "  	c None",
 ". 	c #000000",
diff --git a/image/wsiconcap48.xpm b/image/wsiconcap48.xpm
index 096dacf12e..dbf27eadf5 100644
--- a/image/wsiconcap48.xpm
+++ b/image/wsiconcap48.xpm
@@ -1,5 +1,5 @@
 /* XPM */
-static char * wsiconcap48_xpm[] = {
+static const char * wsiconcap48_xpm[] = {
 "48 48 445 2",
 "  	c None",
 ". 	c #000000",
diff --git a/image/wssplash.xpm b/image/wssplash.xpm
index f5402ebd26..7972fd2418 100644
--- a/image/wssplash.xpm
+++ b/image/wssplash.xpm
@@ -1,5 +1,5 @@
 /* XPM */
-static char * wssplash_xpm[] = {
+static const char * wssplash_xpm[] = {
 "184 64 214 2",
 "  	c #000000",
 ". 	c #1897C0",