diff --git a/uart.hpp b/uart.hpp
index 594bc83..94ec3cd 100644
--- a/uart.hpp
+++ b/uart.hpp
@@ -49,6 +49,8 @@ static constexpr size_t maxNumDigits()
 template <class Driver>
 class Uart {
   public:
+	using data_t = typename Driver::data_t;
+
 	// Constructing a uart object does not initialize the driver to allow different specializations with the same
 	// back-end to exists at the same time
 	// Note that init must be called every time when switching specializations with the same back-end
@@ -66,17 +68,17 @@ class Uart {
 		Driver::init();
 	}
 
-	static void txByte(const typename Driver::data_t &byte)
+	static void txByte(const data_t &byte)
 	{
 		Driver::txByte(byte);
 	}
 
-	static bool rxByte(typename Driver::data_t &byte)
+	static bool rxByte(data_t &byte)
 	{
 		return Driver::rxByte(byte);
 	}
 
-	static bool peek(typename Driver::data_t &byte)
+	static bool peek(data_t &byte)
 	{
 		return Driver::peek(byte);
 	}
@@ -110,8 +112,8 @@ class Uart {
 		static_assert(util::is_integral_v<T>, "Only supported on integral types");
 
 		constexpr size_t numDigits = detail::maxNumDigits<T, Base>();
-		typename Driver::data_t buffer[numDigits];
-		typename Driver::data_t *bufEnd = buffer + numDigits - 1;
+		data_t buffer[numDigits];
+		data_t *bufEnd = buffer + numDigits - 1;
 
 		T digits = val;
 
@@ -121,12 +123,12 @@ class Uart {
 		}
 
 		do {
-			typename Driver::data_t lastDigit = digits % Base;
+			data_t lastDigit = digits % Base;
 			*bufEnd-- = '0' + lastDigit;
 			digits /= Base;
 		} while (digits > 0);
 
-		for (typename Driver::data_t *buf = bufEnd + 1; buf < buffer + numDigits; ++buf)
+		for (data_t *buf = bufEnd + 1; buf < buffer + numDigits; ++buf)
 			txByte(*buf);
 	}