diff --git a/motorApp/DeltaTauSrc/devPmac.cc b/motorApp/DeltaTauSrc/devPmac.cc
index b60c69c0..90646b50 100644
--- a/motorApp/DeltaTauSrc/devPmac.cc
+++ b/motorApp/DeltaTauSrc/devPmac.cc
@@ -38,6 +38,7 @@ USAGE... Device level support for Delta Tau PMAC.
 
 #include <string.h>
 #include <math.h>
+#include <errlog.h>
 #include "motorRecord.h"
 #include "motor.h"
 #include "motordevCom.h"
diff --git a/motorApp/DeltaTauSrc/drvPmac.cc b/motorApp/DeltaTauSrc/drvPmac.cc
index d350fbba..e357bad0 100644
--- a/motorApp/DeltaTauSrc/drvPmac.cc
+++ b/motorApp/DeltaTauSrc/drvPmac.cc
@@ -48,10 +48,12 @@ USAGE...	Driver level support for Delta Tau PMAC model.
 #include	<vxLib.h>
 #include	<sysLib.h>
 #include	<string.h>
+#include 	<stdlib.h>
 #include	<rebootLib.h>
 #include	<logLib.h>
 #include	<drvSup.h>
 #include	<epicsVersion.h>
+#include	<errlog.h>
 #include	<devLib.h>
 #include	<dbAccess.h>
 #include	<epicsThread.h>