diff --git a/src/mame/sinclair/sprinter.cpp b/src/mame/sinclair/sprinter.cpp
index 9a7039f2708..7c354927070 100644
--- a/src/mame/sinclair/sprinter.cpp
+++ b/src/mame/sinclair/sprinter.cpp
@@ -1872,10 +1872,10 @@ INPUT_PORTS_START( sprinter )
 
 
 	PORT_START("mouse_input1")
-	PORT_BIT(0xff, 0, IPT_MOUSE_X) PORT_SENSITIVITY(30)
+	PORT_BIT(0xff, 0, IPT_MOUSE_X) PORT_SENSITIVITY(60)
 
 	PORT_START("mouse_input2")
-	PORT_BIT(0xff, 0, IPT_MOUSE_Y) PORT_INVERT PORT_SENSITIVITY(30)
+	PORT_BIT(0xff, 0, IPT_MOUSE_Y) PORT_INVERT PORT_SENSITIVITY(60)
 
 	PORT_START("mouse_input3")
 	PORT_BIT(0xf8, IP_ACTIVE_LOW, IPT_UNUSED)