diff --git a/motorApp/MotorSrc/asynMotorAxis.h b/motorApp/MotorSrc/asynMotorAxis.h
index 16cf044c..77666853 100644
--- a/motorApp/MotorSrc/asynMotorAxis.h
+++ b/motorApp/MotorSrc/asynMotorAxis.h
@@ -10,6 +10,7 @@
 
 #include <epicsEvent.h>
 #include <epicsTypes.h>
+#include <shareLib.h>
 
 #ifdef __cplusplus
 #include <asynPortDriver.h>
diff --git a/motorApp/MotorSrc/asynMotorController.h b/motorApp/MotorSrc/asynMotorController.h
index 56b44e96..bbcfa8e9 100644
--- a/motorApp/MotorSrc/asynMotorController.h
+++ b/motorApp/MotorSrc/asynMotorController.h
@@ -10,6 +10,7 @@
 
 #include <epicsEvent.h>
 #include <epicsTypes.h>
+#include <shareLib.h>
 
 #define MAX_CONTROLLER_STRING_SIZE 256
 #define DEFAULT_CONTROLLER_TIMEOUT 2.0