diff --git a/components/codetools/linkscanner.pas b/components/codetools/linkscanner.pas
index c9903ebab0..a9e5fd7ac3 100644
--- a/components/codetools/linkscanner.pas
+++ b/components/codetools/linkscanner.pas
@@ -2384,7 +2384,7 @@ begin
   while PathEnd<=length(IncludePath) do begin
     if ((Pos(IncludePath[PathEnd],PathDivider))>0)
     {$IFDEF win32}
-    and (not ((PathEnd-PathStart=2) // ignore colon in drive
+    and (not ((PathEnd-PathStart=1) // ignore colon in drive
           and (IncludePath[PathEnd]=':')
           and (IsWordChar[IncludePath[PathEnd-1]])))
     {$ENDIF}