diff --git a/ide/lazarusidestrconsts.pas b/ide/lazarusidestrconsts.pas
index 52da939316..d47a157ed5 100644
--- a/ide/lazarusidestrconsts.pas
+++ b/ide/lazarusidestrconsts.pas
@@ -3844,12 +3844,12 @@ resourcestring
     +'exists in this package.';
   lisA2PTheUnitnameAlreadyExistsInThePackage = 'The unitname %s%s%s already '
     +'exists in the package:%s%s';
+  lisA2PFileAlreadyExistsInThePackage = 'File %s%s%s already exists in the package.';
   lisA2PAmbiguousUnitName = 'Ambiguous Unit Name';
   lisA2PTheUnitNameIsTheSameAsAnRegisteredComponent = 'The unit name %s%s%s '
     +'is the same as an registered component.%sUsing this can cause strange '
     +'error messages.';
-  lisA2PFileAlreadyExistsInThePackage = 'File %s%s%s already exists in the package.';
-  lisA2PExistingFile = '%sExisting file: %s%s%s';
+  lisA2PExistingFile2 = 'Existing file: %s%s%s';
   lisA2PFileAlreadyExists = 'File already exists';
   lisA2PFileIsUsed = 'File is used';
   lisA2PTheFileIsPartOfTheCurrentProjectItIsABadIdea = 'The file %s%s%s is '
diff --git a/packager/addtopackagedlg.pas b/packager/addtopackagedlg.pas
index 82ecd585fc..3fbbb4a178 100644
--- a/packager/addtopackagedlg.pas
+++ b/packager/addtopackagedlg.pas
@@ -247,6 +247,7 @@ var
   IDEFileFlags: TIDEFileStateFlags;
 begin
   Result:=false;
+  PkgFile:=Nil;
 
   // check if package is readonly
   if LazPackage.ReadOnly then begin
@@ -289,7 +290,7 @@ begin
     if PkgFile<>nil then begin
       Msg:=Format(lisA2PFileAlreadyExistsInThePackage, ['"',AFilename,'"']);
       if PkgFile.Filename<>AFilename then
-        Msg:=Format(lisA2PExistingFile, [#13, '"', PkgFile.Filename, '"']);
+        Msg:=Msg+LineEnding+Format(lisA2PExistingFile2, ['"',PkgFile.Filename,'"']);
       MessageDlg(lisA2PFileAlreadyExists, Msg, mtError, [mbCancel], 0);
       exit;
     end;
@@ -357,8 +358,6 @@ begin
       then
         exit;
     end;
-  end else begin
-    AnUnitName:='';
   end;
 
   // ok