diff --git a/src/Typecheck.hs b/src/Typecheck.hs
index f7e63ae..ac08d39 100644
--- a/src/Typecheck.hs
+++ b/src/Typecheck.hs
@@ -324,7 +324,7 @@ checkBitwiseOperation :: BinaryOperator -> Expression -> Expression -> DataType
 checkBitwiseOperation op expr1' expr2' type1 type2
   | type1 == "int" && type2 == "int" =
       TypedExpression "int" (BinaryOperation op expr1' expr2')
-  | otherwise = error $ "Bitwise operation " ++ show op ++ " requires operands of type int"
+  | otherwise = error $ "Bitwise operation " ++ show op ++ " requires operands of type int or char"
 
 checkComparisonOperation :: BinaryOperator -> Expression -> Expression -> DataType -> DataType -> Expression
 checkComparisonOperation op expr1' expr2' type1 type2