diff --git a/src/common/fonts/font.cpp b/src/common/fonts/font.cpp
index 7028ee33d..3876dd7ea 100644
--- a/src/common/fonts/font.cpp
+++ b/src/common/fonts/font.cpp
@@ -763,7 +763,7 @@ int FFont::GetCharCode(int code, bool needpic) const
 		// a similar check is needed for the small i in allcaps fonts. Here we cannot simply remap to an existing character, so the small dotted i must be placed at code point 0080.
 		if (code == 'i' && LastChar >= 0x80 && Chars[0x80 - FirstChar].OriginalPic != nullptr)
 		{
-			return 0x131;
+			return 0x80;
 		}
 	}
 		
diff --git a/src/common/utility/utf8.cpp b/src/common/utility/utf8.cpp
index e5b52347b..100c06a13 100644
--- a/src/common/utility/utf8.cpp
+++ b/src/common/utility/utf8.cpp
@@ -1138,6 +1138,8 @@ struct InitLowerUpper
 		// Turkish 'I's.
 		upperforlower[0x131] = 'I';
 		lowerforupper[0x130] = 'i';
+		islowermap[0x131] = true;
+		isuppermap[0x130] = true;
 	}
 };