diff --git a/packages/fcl-passrc/src/pscanner.pp b/packages/fcl-passrc/src/pscanner.pp
index 38eec9e7be..7d81509d76 100644
--- a/packages/fcl-passrc/src/pscanner.pp
+++ b/packages/fcl-passrc/src/pscanner.pp
@@ -3323,6 +3323,7 @@ procedure TPascalScanner.HandleIncludeFile(Param: String);
 var
   NewSourceFile: TLineReader;
 begin
+  Param:=Trim(Param);
   if Length(Param)>1 then
     begin
     if (Param[1]='''') then