1 files changed, 1 insertions, 0 deletions
diff --git a/install.rb b/install.rb
index 25e3a2f56..e2dd9a4c4 100644
--- a/install.rb
+++ b/install.rb
@@ -91,6 +91,7 @@ def check_prereqs
             require pre
         rescue LoadError
             puts "Could not load %s; cannot install" % pre
+            exit -1
         end
     }
 end