diff --git a/lib/logitech/unifying_receiver/common.py b/lib/logitech/unifying_receiver/common.py
index 08ad88e4..a506a5cf 100644
--- a/lib/logitech/unifying_receiver/common.py
+++ b/lib/logitech/unifying_receiver/common.py
@@ -66,8 +66,6 @@ class NamedInts(object):
 		def _readable_name(n):
 			if not isinstance(n, str) and not isinstance(n, unicode):
 				raise TypeError("expected string, got " + type(n))
-			if n == n.upper():
-				n = n.lstrip('_')
 			return n.replace('__', '/').replace('_', ' ')
 
 		values = {k: NamedInt(v, _readable_name(k)) for (k, v) in kwargs.items()}
@@ -77,7 +75,7 @@ class NamedInts(object):
 		self._fallback = None
 
 	@classmethod
-	def range(cls, from_value, to_value, name_generator=lambda x: '_' + str(x), step=1):
+	def range(cls, from_value, to_value, name_generator=lambda x: str(x), step=1):
 		values = {name_generator(x): x for x in range(from_value, to_value + 1, step)}
 		return NamedInts(**values)
 
diff --git a/lib/logitech/unifying_receiver/descriptors.py b/lib/logitech/unifying_receiver/descriptors.py
index ef10ed6c..83eeec2a 100644
--- a/lib/logitech/unifying_receiver/descriptors.py
+++ b/lib/logitech/unifying_receiver/descriptors.py
@@ -76,7 +76,7 @@ _D('Touch Mouse M600')
 _D('Marathon Mouse M705',
 				settings=[
 							_register_smooth_scroll(0x01, true_value=0x40, mask=0x40),
-							# _register_dpi(0x63, _NamedInts.range(9, 11, lambda x: '_' + str(x * 100))),
+							# _register_dpi(0x63, _NamedInts.range(9, 11, lambda x: str(x * 100))),
 						],
 				)
 _D('Wireless Keyboard K230')
@@ -96,7 +96,7 @@ _D('Anywhere Mouse MX', codename='Anywhere MX',
 				)
 _D('Performance Mouse MX', codename='Performance MX',
 				settings=[
-							_register_dpi(0x63, _NamedInts.range(0x81, 0x8F, lambda x: '_' + str((x - 0x80) * 100))),
+							_register_dpi(0x63, _NamedInts.range(0x81, 0x8F, lambda x: str((x - 0x80) * 100))),
 						],
 				)