diff --git a/motorApp/MotorSrc/motorRecord.cc b/motorApp/MotorSrc/motorRecord.cc
index f3cb266c..bb0214d5 100644
--- a/motorApp/MotorSrc/motorRecord.cc
+++ b/motorApp/MotorSrc/motorRecord.cc
@@ -553,9 +553,11 @@ static long init_record(dbCommon* arg, int pass)
             case (PV_LINK):
             case (DB_LINK):
             case (CA_LINK):
-            case (INST_IO):
                 pmr->card = -1;
                 break;
+            case (INST_IO):
+                pmr->card = 0;
+                break;
             default:
                 recGblRecordError(S_db_badField, (void *) pmr, (char *) errmsg);
                 return(ERROR);