diff --git a/startup/EMU.cmd b/startup/EMU.cmd
index 86f47cef952d1ecc4f31cf83879bbbbfc316ad63..4ea58b22532aa641db50e70b7d8f7b052da91a9e 100644
--- a/startup/EMU.cmd
+++ b/startup/EMU.cmd
@@ -78,7 +78,7 @@ epicsEnvSet("SCAN_POINTS_SLIT", "100"    )
 epicsEnvSet(EPICS_CA_MAX_ARRAY_BYTES, 4000000)
 
 # Connection to PMAC and setup for $(NUM_MOTORS) motors
-pmacAsynIPConfigure($(PMACPORT), "10.10.3.43:1025")
+pmacAsynIPConfigure($(PMACPORT), "10.10.3.42:1025")
 pmacCreateController($(MOTOR_PORT), $(PMACPORT), 0, $(NB_AXES), 50, 300)
 pmacCreateAxis($(MOTOR_PORT), $(AXIS_NO1))