diff --git a/External/Rakefile b/External/Rakefile
index f137494ac..6f276d0a6 100644
--- a/External/Rakefile
+++ b/External/Rakefile
@@ -17,7 +17,7 @@ file_d $ENVIRONMENT_NARWHAL_PRODUCT do
 end
 
 file_d $ENVIRONMENT_NARWHAL_EXECUTABLE => [$ENVIRONMENT_NARWHAL_PRODUCT] do
-  FileUtils.ln_s('../narwhal/bin/narwhal', $ENVIRONMENT_NARWHAL_EXECUTABLE)
+  FileUtils.ln_sf('../narwhal/bin/narwhal', $ENVIRONMENT_NARWHAL_EXECUTABLE)
 end
 
 file_d $ENVIRONMENT_BROWSERJS_PRODUCT => [$ENVIRONMENT_NARWHAL_PRODUCT] do
diff --git a/Objective-J/Tools/Rakefile b/Objective-J/Tools/Rakefile
index 66add5fb8..3b8247b9b 100644
--- a/Objective-J/Tools/Rakefile
+++ b/Objective-J/Tools/Rakefile
@@ -22,7 +22,7 @@ $EXECUTABLES.each do |executable|
   dest = File.join($ENVIRONMENT_BIN_DIR, executable)
   file_d dest => source do
     #cp(source, dest)
-    FileUtils.ln_s("../narwhal/packages/objj/bin/#{executable}", dest)
+    FileUtils.ln_sf("../narwhal/packages/objj/bin/#{executable}", dest)
   end
 end