diff --git a/uppsrc/Core/LangInfo.cpp b/uppsrc/Core/LangInfo.cpp
index 9c4377308..e5895c382 100644
--- a/uppsrc/Core/LangInfo.cpp
+++ b/uppsrc/Core/LangInfo.cpp
@@ -104,16 +104,16 @@ WString CSCZGetIndexLetter(const wchar *s, int)
 	temp[0] = temp[1] = temp[2] = 0;
 	if(*s <= 2047 && IsLetter(*s)) // IsLetter
 	{
-		temp[0] = ToUpper(*s);
+		temp[0] = (wchar)ToUpper(*s);
 		if(s[1] <= 2047 && IsLetter(s[1]))
-			temp[1] = ToLower(s[1]);
+			temp[1] = (wchar)ToLower(s[1]);
 		if(temp[0] != 'C' || temp[1] != 'h')
 			temp[1] = 0;
 		switch(ToUpper(ToAscii(*s)))
 		{
 		case 'A': case 'E': case 'I': case 'N':
 		case 'O': case 'T': case 'U': case 'Y':
-			temp[0] = ToAscii(temp[0]);
+			temp[0] = (wchar)ToAscii(temp[0]);
 			break;
 		}
 	}
diff --git a/uppsrc/RichText/ParaType.cpp b/uppsrc/RichText/ParaType.cpp
index ba61d646f..ba3c1dfc7 100644
--- a/uppsrc/RichText/ParaType.cpp
+++ b/uppsrc/RichText/ParaType.cpp
@@ -141,7 +141,7 @@ void RichPara::StorePart::Store(Lines& lines, const Part& part, int pinc)
 				else
 				if(IsLower(c)) {
 					*f++ = &cfmt;
-					c = ToUpper(c);
+					c = (wchar)ToUpper(c);
 					h->ascent = cfi.GetAscent();
 					h->descent = cfi.GetDescent();
 					h->external = cfi.GetExternal();