diff --git a/include/inputstr.h b/include/inputstr.h
index 5e745b356..7209b2cb3 100644
--- a/include/inputstr.h
+++ b/include/inputstr.h
@@ -174,7 +174,7 @@ typedef struct _ValuatorClassRec {
     AxisInfoPtr 	  axes;
     unsigned short	  numAxes;
     int			  *axisVal; /* always absolute, but device-coord system */
-    int                   dxremaind, dyremaind; /* for acceleration */
+    float                 dxremaind, dyremaind; /* for acceleration */
     CARD8	 	  mode;
 } ValuatorClassRec, *ValuatorClassPtr;