diff --git a/ide/fpcompil.pas b/ide/fpcompil.pas
index 7c1c6b42e6..f3d9c6d808 100644
--- a/ide/fpcompil.pas
+++ b/ide/fpcompil.pas
@@ -843,8 +843,13 @@ begin
       else
         FileName:='';
     end;
+  {$ifdef Unix}
+  If (FileName<>'') then
+    FileName:=FExpand(FileName);
+  {$else}
   If (FileName<>'') then
     FileName:=FixFileName(FExpand(FileName));
+  {$endif}
   GetMainFile:=FileName;
 end;