--- CandyCrisis/Source/RegAlgorithm.cpp
+++ CandyCrisis/Source/RegAlgorithm.cpp
@@ -184,7 +184,7 @@
 {
 	// Convert the key (a jumble of letters like BFGJ-TVFF) into a 32-bit
 	// hex value. 
-	char*        unscrambled[8];
+	const char*        unscrambled[8];
 	int          index;
 	unsigned int value = 0;