diff --git a/lib/typing/values/string.go b/lib/typing/values/string.go
index 139d9bf86..58bb04d54 100644
--- a/lib/typing/values/string.go
+++ b/lib/typing/values/string.go
@@ -100,7 +100,7 @@ func ToString(colVal any, colKind typing.KindDetails) (string, error) {
 			return castedColVal.String(), nil
 		}
 
-		return "", fmt.Errorf("colVal is not *decimal.Decimal type, type is: %T", colVal)
+		return "", fmt.Errorf("unexpected colVal type: %T", colVal)
 	}
 
 	return fmt.Sprint(colVal), nil