diff --git a/packages/fcl-passrc/src/pparser.pp b/packages/fcl-passrc/src/pparser.pp
index 22d2ad6f6d..21105b465d 100644
--- a/packages/fcl-passrc/src/pparser.pp
+++ b/packages/fcl-passrc/src/pparser.pp
@@ -2191,6 +2191,8 @@ var
         'F':
           if s[3] = 'i' then
             FileResolver.AddIncludePath(Copy(s, 4, Length(s)));
+        'I':
+          FileResolver.AddIncludePath(Copy(s, 3, Length(s)));    
         'S':
           if s[3]='d' then
             begin