diff --git a/lib/puppet/provider/rvm_gem/gem.rb b/lib/puppet/provider/rvm_gem/gem.rb
index 704c20b0..bad412dc 100644
--- a/lib/puppet/provider/rvm_gem/gem.rb
+++ b/lib/puppet/provider/rvm_gem/gem.rb
@@ -27,6 +27,9 @@ def gemlist(hash)
       command << "--local"
     else
       command << "--remote"
+      if resource[:source] && source_uri(resource[:source]).scheme =~ /^http/
+        command << '--source' << resource[:source].to_s
+      end
     end
 
     if name = hash[:justme]
@@ -76,7 +79,6 @@ def self.gemsplit(desc)
     end
   end
 
-
   def install(useversion = true)
     command = gembinary + ['install']
     command << "-v" << resource[:ensure] if (! resource[:ensure].is_a? Symbol) and useversion
@@ -89,12 +91,7 @@ def install(useversion = true)
     end
 
     if source = resource[:source]
-      begin
-        uri = URI.parse(source)
-      rescue => detail
-        fail "Invalid source '#{uri}': #{detail}"
-      end
-
+      uri = source_uri(source)
       case uri.scheme
       when nil
         # no URI scheme => interpret the source as a local file
@@ -123,6 +120,15 @@ def install(useversion = true)
     self.fail "Could not install: #{output.chomp}" if output.include?("ERROR")
   end
 
+  def source_uri(source)
+    begin
+      uri = URI.parse(source)
+    rescue => detail
+      fail "Invalid source '#{uri}': #{detail}"
+    end
+    uri
+  end
+
   def latest
     # This always gets the latest version available.
     hash = gemlist(:justme => resource[:name])
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index d6f2d800..7afbdd25 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -18,7 +18,8 @@
     :kernel => 'Linux',
     :osfamily => 'RedHat',
     :architecture => 'x86_64',
-    :clientcert => 'puppet.acme.com'
+    :clientcert => 'puppet.acme.com',
+    :gnupg_installed => false
   }.merge({})
 
   c.before do
@@ -30,4 +31,3 @@
 shared_examples :compile, :compile => true do
   it { should compile.with_all_deps }
 end
-