diff --git a/desmume/src/common.cpp b/desmume/src/common.cpp
index b35cbec65..f6ba3f7d9 100644
--- a/desmume/src/common.cpp
+++ b/desmume/src/common.cpp
@@ -25,7 +25,7 @@
 #include <string>
 #include "common.h"
 
-u8	logo_data[156] = {
+const u8 logo_data[156] = {
 	0x24,0xFF,0xAE,0x51,0x69,0x9A,0xA2,0x21,0x3D,0x84,0x82,0x0A,0x84,0xE4,0x09,0xAD,
 	0x11,0x24,0x8B,0x98,0xC0,0x81,0x7F,0x21,0xA3,0x52,0xBE,0x19,0x93,0x09,0xCE,0x20,
 	0x10,0x46,0x4A,0x4A,0xF8,0x27,0x31,0xEC,0x58,0xC7,0xE8,0x33,0x82,0xE3,0xCE,0xBF,
@@ -68,7 +68,7 @@ char *removeSpecialChars(char *s)
 	if (!s) return NULL;
 	if (!*s) return s;
 
-	for (int i = 0; i < strlen(s); i++)
+	for (u32 i = 0; i < strlen(s); i++)
 	{
 		if (isspace(s[i]) && (s[i] != 0x20))
 			*buf = 0x20;
@@ -78,4 +78,4 @@ char *removeSpecialChars(char *s)
 	}
 	*buf = 0;
 	return s;
-}
\ No newline at end of file
+}
diff --git a/desmume/src/common.h b/desmume/src/common.h
index 0753b7fad..5769e10fc 100644
--- a/desmume/src/common.h
+++ b/desmume/src/common.h
@@ -28,7 +28,7 @@
 #include "types.h"
 #include <string>
 
-extern u8	logo_data[156];
+extern const u8	logo_data[156];
 #ifdef WIN32
 
 	#include <winsock2.h>