diff --git a/lib/cocoapods-core/single_source.rb b/lib/cocoapods-core/single_source.rb
index 05606a7a..237849e7 100644
--- a/lib/cocoapods-core/single_source.rb
+++ b/lib/cocoapods-core/single_source.rb
@@ -20,6 +20,7 @@ class SingleSource < Source
     #
     def initialize(repo)
       super(repo)
+      spec_paths
     end
 
     private