diff --git a/motorApp/NewportSrc/drvXPSAsyn.c b/motorApp/NewportSrc/drvXPSAsyn.c
index 03c36320..acaad763 100644
--- a/motorApp/NewportSrc/drvXPSAsyn.c
+++ b/motorApp/NewportSrc/drvXPSAsyn.c
@@ -105,8 +105,8 @@ static int motorXPSLogMsg(void * param, const motorAxisLogMask_t logMask, const
 #define IODRIVER  motorAxisTraceIODriver
 
 #define XPS_MAX_AXES 8
-#define XPSC8_END_OF_RUN_MINUS  0x00000100
-#define XPSC8_END_OF_RUN_PLUS   0x00000200
+#define XPSC8_END_OF_RUN_MINUS  0x80000100
+#define XPSC8_END_OF_RUN_PLUS   0x80000200
 
 #define TCP_TIMEOUT 2.0
 static motorXPS_t drv={ NULL, NULL, motorXPSLogMsg, 0, { 0, 0 } };