diff --git a/ChangeLog b/ChangeLog
index def24f9f..218c7c4d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -17990,3 +17990,6 @@
 	* Fixed buffer overflow bugs in the rd_trimaudio(7) rivcwebapi call.
 2018-11-07 Fred Gleason <fredg@paravelsystems.com>
 	* Modified rd_deleteaudio(7) in the rivwebcapi to process UTF-8.
+2018-11-08 Fred Gleason <fredg@paravelsystems.com>
+	* Fixed a regression in rddbmgr(8) that attempted to drop the
+	'RDAIRPLAY.INSTANCE' field when processing schema update 284.
diff --git a/utils/rddbmgr/revertschema.cpp b/utils/rddbmgr/revertschema.cpp
index 86ae8832..33abfea7 100644
--- a/utils/rddbmgr/revertschema.cpp
+++ b/utils/rddbmgr/revertschema.cpp
@@ -2687,11 +2687,6 @@ bool MainObject::RevertSchema(int cur_schema,int set_schema,QString *err_msg)
   // Revert 284
   //
   if((cur_schema==284)&&(set_schema<cur_schema)) {
-    sql=QString("alter table RDAIRPLAY add column INSTANCE int unsigned ")+
-      "not null default 0 after STATION";
-    if(!RDSqlQuery::apply(sql,err_msg)) {
-      return false;
-    }
     for(int i=9;i>=0;i--) {
       sql=QString("alter table RDAIRPLAY add column ")+
 	QString().sprintf("STOP_RML%d char(255) after INSTANCE",i);
diff --git a/utils/rddbmgr/updateschema.cpp b/utils/rddbmgr/updateschema.cpp
index b2934b47..9ca2289b 100644
--- a/utils/rddbmgr/updateschema.cpp
+++ b/utils/rddbmgr/updateschema.cpp
@@ -7008,10 +7008,6 @@ bool MainObject::UpdateSchema(int cur_schema,int set_schema,QString *err_msg)
   }
 
   if((cur_schema<284)&&(set_schema>cur_schema)) { 
-    sql=QString("alter table RDAIRPLAY drop column INSTANCE");
-    if(!RDSqlQuery::apply(sql,err_msg)) {
-      return false;
-    }
     for(int i=0;i<10;i++) {
       sql=QString("alter table RDAIRPLAY ")+
 	QString().sprintf("drop column CARD%d",i);