diff --git a/src/tools/whale.jam b/src/tools/whale.jam
index 3e835f657..8992e146e 100644
--- a/src/tools/whale.jam
+++ b/src/tools/whale.jam
@@ -16,6 +16,7 @@ import type ;
 import generators ;
 import path ;
 import "class" : new ;
+import errors ;
 
 rule init ( path # path the Whale/Dolphin/WD binaries 
           )