diff --git a/src/devOpt/Makefile.Vx b/src/devOpt/Makefile.Vx
index 524c39d55..a5708a3e9 100644
--- a/src/devOpt/Makefile.Vx
+++ b/src/devOpt/Makefile.Vx
@@ -7,12 +7,14 @@ USR_INCLUDES = -I../../drv
 SRCS.c = \
 	../devAnalytekGpib.c ../devXxDg535Gpib.c  ../devBBInteract.c \
 	../devGpibInteract.c ../devXxSr620Gpib.c ../devK486Gpib.c \
-	../devXxK196Gpib.c ../devXxDc5009Gpib.c ../devXxK263Gpib.c
+	../devXxK196Gpib.c ../devXxDc5009Gpib.c ../devXxK263Gpib.c \
+	../devXxSkeletonGpib.c
 
 OBJS = \
         devAnalytekGpib.o devXxDg535Gpib.o devBBInteract.o \
 	devGpibInteract.o  devXxSr620Gpib.o devK486Gpib.o \
-	devXxK196Gpib.o devXxDc5009Gpib.o devXxK263Gpib.o
+	devXxK196Gpib.o devXxDc5009Gpib.o devXxK263Gpib.o \
+	devXxSkeletonGpib.o
 
 PROD = devLibOpt  $(OBJS)
 
diff --git a/src/devOpt/devXxSkeletonGpib.c b/src/devOpt/devXxSkeletonGpib.c
index 7d27efc87..f3c5b8d61 100644
--- a/src/devOpt/devXxSkeletonGpib.c
+++ b/src/devOpt/devXxSkeletonGpib.c
@@ -404,9 +404,9 @@ STATIC int srqHandler(struct hwpvt *phwpvt, int srqStatus)
         printf("dc5009 srqHandler: Unsolicited SRQ being handled from link %d, device %d, status = 0x%02.2X\n",
           phwpvt->link, phwpvt->device, srqStatus);
 
-      ((struct gpibDpvt*)(phwpvt->unsolicitedDpvt))->head.header.callback.callback = ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->process;
-      ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->head.header.callback.priority = ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->processPri;
-      callbackRequest(phwpvt->unsolicitedDpvt);
+      ((struct gpibDpvt*)(phwpvt->unsolicitedDpvt))->head.callback.callback = ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->process;
+      ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->head.callback.priority = ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->processPri;
+      callbackRequest((CALLBACK*)phwpvt->unsolicitedDpvt);
     }
     else
     {
diff --git a/src/vxWorks/devOpt/devXxSkeletonGpib.c b/src/vxWorks/devOpt/devXxSkeletonGpib.c
index 7d27efc87..f3c5b8d61 100644
--- a/src/vxWorks/devOpt/devXxSkeletonGpib.c
+++ b/src/vxWorks/devOpt/devXxSkeletonGpib.c
@@ -404,9 +404,9 @@ STATIC int srqHandler(struct hwpvt *phwpvt, int srqStatus)
         printf("dc5009 srqHandler: Unsolicited SRQ being handled from link %d, device %d, status = 0x%02.2X\n",
           phwpvt->link, phwpvt->device, srqStatus);
 
-      ((struct gpibDpvt*)(phwpvt->unsolicitedDpvt))->head.header.callback.callback = ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->process;
-      ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->head.header.callback.priority = ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->processPri;
-      callbackRequest(phwpvt->unsolicitedDpvt);
+      ((struct gpibDpvt*)(phwpvt->unsolicitedDpvt))->head.callback.callback = ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->process;
+      ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->head.callback.priority = ((struct gpibDpvt *)(phwpvt->unsolicitedDpvt))->processPri;
+      callbackRequest((CALLBACK*)phwpvt->unsolicitedDpvt);
     }
     else
     {