diff --git a/site_ansto/motor_dmc2280.c b/site_ansto/motor_dmc2280.c
index f6bf9a1e..30fc6d9f 100644
--- a/site_ansto/motor_dmc2280.c
+++ b/site_ansto/motor_dmc2280.c
@@ -964,7 +964,7 @@ static int DMC2280SendReceive(pDMC2280Driv self, char *cmd, char* reply) {
  * \param *pData provides access to a motor's data
  * \param posn, the axis position which you want to remember.
  * */
-static void set_lastMotion(pDMC2280Driv self, float steps, float counts) {
+static void set_lastMotion(pDMC2280Driv self, int steps, int counts) {
   assert(self != NULL);
   self->lastSteps = steps;
   self->lastCounts = counts;