diff --git a/motorApp/ACRSrc/ACRMotorDriver.cpp b/motorApp/ACRSrc/ACRMotorDriver.cpp
index 89fe83e2..fe4e9a33 100644
--- a/motorApp/ACRSrc/ACRMotorDriver.cpp
+++ b/motorApp/ACRSrc/ACRMotorDriver.cpp
@@ -482,7 +482,7 @@ asynStatus ACRAxis::setPosition(double position)
   * It calls setIntegerParam() and setDoubleParam() for each item that it polls,
   * and then calls callParamCallbacks() at the end.
   * \param[out] moving A flag that is set indicating that the axis is moving (1) or done (0). */
-asynStatus ACRAxis::poll(int *moving)
+asynStatus ACRAxis::poll(bool *moving)
 { 
   int done;
   int driveOn;
@@ -510,7 +510,7 @@ asynStatus ACRAxis::poll(int *moving)
   currentFlags_ = atoi(pC_->inString_);
   done = (currentFlags_ & 0x1000000)?0:1;
   setIntegerParam(pC_->motorStatusDone_, done);
-  *moving = done ? 0:1;
+  *moving = done ? false:true;
 
   // Read the current limit status
   sprintf(pC_->outString_, "?P%d", limitsReg_);
diff --git a/motorApp/ACRSrc/ACRMotorDriver.h b/motorApp/ACRSrc/ACRMotorDriver.h
index 3b8815d4..e8d3d5d5 100644
--- a/motorApp/ACRSrc/ACRMotorDriver.h
+++ b/motorApp/ACRSrc/ACRMotorDriver.h
@@ -28,7 +28,7 @@ public:
   asynStatus moveVelocity(double min_velocity, double max_velocity, double acceleration);
   asynStatus home(double min_velocity, double max_velocity, double acceleration, int forwards);
   asynStatus stop(double acceleration);
-  asynStatus poll(int *moving);
+  asynStatus poll(bool *moving);
   asynStatus setPosition(double position);
 
 private: