diff --git a/project.yml b/project.yml
index edab395..19c5716 100644
--- a/project.yml
+++ b/project.yml
@@ -88,7 +88,7 @@
   :placement: :end
   :flag: "-l${1}"
   :path_flag: "-L ${1}"
-  :system: []    # for example, you might list 'm' to grab the math library
+  :system: [m]    # for example, you might list 'm' to grab the math library
   :test: []
   :release: []