diff --git a/src/tools/rc.jam b/src/tools/rc.jam
index b64edf046..a8288143b 100644
--- a/src/tools/rc.jam
+++ b/src/tools/rc.jam
@@ -148,6 +148,8 @@ class res-scanner : scanner
         # Just propagate the current scanner to includes, in hope that includes
         # do not change scanners.
         scanner.propagate $(__name__) : $(angle) $(quoted) : $(target) ;
+
+        ISFILE $(all) ;
     }
 }