2 files changed, 2 insertions, 1 deletions
diff --git a/resource.cpp b/resource.cpp
index 01339bfb2b..3b3b26d324 100644
--- a/resource.cpp
+++ b/resource.cpp
@@ -423,6 +423,7 @@ void Scumm::loadCharset(int no)
 
 	memset(_charsetData, 0, sizeof(_charsetData));
 
+	assert(no < sizeof(_charsetData)/16);
 	checkRange(_maxCharsets - 1, 1, no, "Loading illegal charset %d");
 
 //  ensureResourceLoaded(6, no);
diff --git a/scumm.h b/scumm.h
index d384b6e84e..2e87d9e42b 100644
--- a/scumm.h
+++ b/scumm.h
@@ -1294,7 +1294,7 @@ public:
 	CharsetRenderer charset;
 	byte _charsetColor;
 	uint16 _noSubtitles;	// Skip all subtitles?
-	byte _charsetData[10][16];
+	byte _charsetData[15][16];
 	void initCharset(int charset);
 	void restoreCharsetBg();
 	int hasCharsetMask(int x, int y, int x2, int y2);