diff --git a/src/sinqAxis.h b/src/sinqAxis.h
index 59e3596..a444ade 100644
--- a/src/sinqAxis.h
+++ b/src/sinqAxis.h
@@ -49,7 +49,7 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
     the parameter library operation fails (in that case, returns the status of
     the failed operation.
      */
-    asynStatus poll(bool *moving);
+    virtual asynStatus poll(bool *moving);
 
     /**
      * @brief Implementation of the "proper", device-specific poll method. This
@@ -79,8 +79,8 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
     the parameter library operation fails (in that case, returns the failed
     operation status).
      */
-    asynStatus move(double position, int relative, double minVelocity,
-                    double maxVelocity, double acceleration);
+    virtual asynStatus move(double position, int relative, double minVelocity,
+                            double maxVelocity, double acceleration);
 
     /**
      * @brief Implementation of the "proper", device-specific move method. This
@@ -143,8 +143,8 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
     the parameter library operation fails (in that case, returns the failed
     operation status).
      */
-    asynStatus home(double minVelocity, double maxVelocity, double acceleration,
-                    int forwards);
+    virtual asynStatus home(double minVelocity, double maxVelocity,
+                            double acceleration, int forwards);
 
     /**
      * @brief Implementation of the "proper", device-specific home method. This
@@ -170,7 +170,7 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
      *
      * @return asynStatus
      */
-    asynStatus reset();
+    virtual asynStatus reset();
 
     /**
      * @brief Implementation of the "proper", device-specific `reset` method.
@@ -240,7 +240,7 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
     used to get the values for the timeout calculation failed, return that
     status, otherwise return asynSuccess.
      */
-    asynStatus startMovTimeoutWatchdog();
+    virtual asynStatus startMovTimeoutWatchdog();
 
     /**
      * @brief Check if the watchdog timed out
@@ -274,7 +274,7 @@ class epicsShareClass sinqAxis : public asynMotorAxis {
      * @return asynStatus         Return asynError, if the watchdog timed out,
     and asynSuccess otherwise.
      */
-    asynStatus checkMovTimeoutWatchdog(bool moving);
+    virtual asynStatus checkMovTimeoutWatchdog(bool moving);
 
     /**
      * @brief Enable / disable the watchdog. Also available in the IOC shell