diff --git a/packages/fcl-passrc/src/pasresolveeval.pas b/packages/fcl-passrc/src/pasresolveeval.pas
index 971a5bfea2..8d53f394a5 100644
--- a/packages/fcl-passrc/src/pasresolveeval.pas
+++ b/packages/fcl-passrc/src/pasresolveeval.pas
@@ -177,11 +177,12 @@ const
   nIllegalAssignmentToForLoopVar = 3111;
   nFunctionHidesIdentifier_NonProc = 3112;
   nTypeXCannotBeExtendedByATypeHelper = 3113;
-  nDerivedXMustExtendASubClassY = 3114;
-  nDefaultPropertyNotAllowedInHelperForX = 3115;
-  nHelpersCannotBeUsedAsTypes = 3116;
-  nBitWiseOperationsAre32Bit = 3117;
-  nImplictConversionUnicodeToAnsi = 3118;
+  nTypeXCannotBeExtendedByARecordHelper = 3114;
+  nDerivedXMustExtendASubClassY = 3115;
+  nDefaultPropertyNotAllowedInHelperForX = 3116;
+  nHelpersCannotBeUsedAsTypes = 3117;
+  nBitWiseOperationsAre32Bit = 3118;
+  nImplictConversionUnicodeToAnsi = 3119;
 
   // using same IDs as FPC
   nVirtualMethodXHasLowerVisibility = 3250; // was 3050
@@ -306,6 +307,7 @@ resourcestring
   sCantAssignValuesToConstVariable = 'Can''t assign values to const variable';
   sIllegalAssignmentToForLoopVar = 'Illegal assignment to for-loop variable "%s"';
   sTypeXCannotBeExtendedByATypeHelper = 'Type "%s" cannot be extended by a type helper';
+  sTypeXCannotBeExtendedByARecordHelper = 'Type "%s" cannot be extended by a record helper';
   sDerivedXMustExtendASubClassY = 'Derived %s must extend a subclass of "%s" or the class itself';
   sDefaultPropertyNotAllowedInHelperForX = 'Default property not allowed in helper for %s';
   sHelpersCannotBeUsedAsTypes = 'helpers cannot be used as types';
diff --git a/packages/fcl-passrc/src/pasresolver.pp b/packages/fcl-passrc/src/pasresolver.pp
index bc4f186479..1c745f199f 100644
--- a/packages/fcl-passrc/src/pasresolver.pp
+++ b/packages/fcl-passrc/src/pasresolver.pp
@@ -7158,16 +7158,16 @@ begin
         else if ((HelperForType.ClassType=TPasUnresolvedSymbolRef)
             and (HelperForType.CustomData is TResElDataBaseType)) then
         else
-          RaiseMsg(20190116200304,nTypeXCannotBeExtendedByATypeHelper,
-            sTypeXCannotBeExtendedByATypeHelper,[GetTypeDescription(HelperForType)],aClass);
+          RaiseMsg(20190116200304,nTypeXCannotBeExtendedByARecordHelper,
+            sTypeXCannotBeExtendedByARecordHelper,[GetTypeDescription(HelperForType)],aClass);
         end
       else
         begin
         // mode objfpc
         if (HelperForType.ClassType=TPasRecordType) then
         else
-          RaiseMsg(20190116200519,nTypeXCannotBeExtendedByATypeHelper,
-            sTypeXCannotBeExtendedByATypeHelper,[GetTypeDescription(HelperForType)],aClass);
+          RaiseMsg(20190116200519,nTypeXCannotBeExtendedByARecordHelper,
+            sTypeXCannotBeExtendedByARecordHelper,[GetTypeDescription(HelperForType)],aClass);
         end;
     okTypeHelper:
       begin
diff --git a/packages/fcl-passrc/tests/tcresolver.pas b/packages/fcl-passrc/tests/tcresolver.pas
index 097ba8d070..74b1a81bff 100644
--- a/packages/fcl-passrc/tests/tcresolver.pas
+++ b/packages/fcl-passrc/tests/tcresolver.pas
@@ -904,6 +904,7 @@ type
     Procedure TestClassHelper_DefaultClassProperty;
     Procedure TestClassHelper_MultipleScopeHelpers;
     Procedure TestRecordHelper;
+    Procedure TestRecordHelper_ForByteFail;
     Procedure TestRecordHelper_ClassNonStaticFail;
     Procedure TestRecordHelper_InheritedObjFPC;
     Procedure TestRecordHelper_Constructor_NewInstance;
@@ -16751,6 +16752,20 @@ begin
   ParseProgram;
 end;
 
+procedure TTestResolver.TestRecordHelper_ForByteFail;
+begin
+  StartProgram(false);
+  Add([
+  '{$mode objfpc}',
+  'type',
+  '  TRecHelper = record helper for byte',
+  '    class var Glob: word;',
+  '  end;',
+  'begin',
+  '']);
+  CheckResolverException('Type "Byte" cannot be extended by a record helper',nTypeXCannotBeExtendedByARecordHelper);
+end;
+
 procedure TTestResolver.TestRecordHelper_ClassNonStaticFail;
 begin
   StartProgram(false);