diff --git a/lib/jasmine/files_list.rb b/lib/jasmine/files_list.rb
index ce97cef..a55480d 100644
--- a/lib/jasmine/files_list.rb
+++ b/lib/jasmine/files_list.rb
@@ -11,7 +11,7 @@ end
 
 module Jasmine
   class FilesList
-    attr_reader :files, :filtered_files
+    attr_reader :files, :filtered_files, :spec_outside_scope
 
     DEFAULT_FILES = [
       File.join(Jasmine.root, "lib/jasmine.js"),
@@ -23,11 +23,16 @@ module Jasmine
       @options = options
       @files = DEFAULT_FILES.dup
       @filtered_files = @files.dup
+      @spec_outside_scope = false
       use_config! if config?
 
       @code_for_file = {}
     end
 
+    def has_spec_outside_scope?
+      @spec_outside_scope
+    end
+
     def use_spec?(file)
       spec_filter.empty? || spec_filter.include?(file)
     end
@@ -114,10 +119,12 @@ module Jasmine
 
             @files += found_files
 
-            if searches == 'spec_files'
-              found_files = found_files.find_all { |file| use_spec?(file) }
-            end
-            @filtered_files += found_files
+            @filtered_files += (if searches == 'spec_files'
+              @spec_outside_scope = ((spec_filter | found_files).sort != found_files.sort)
+              spec_filter || found_files
+            else
+              found_files
+            end)
           end
         end
       end
diff --git a/lib/jasmine/headless/runner.rb b/lib/jasmine/headless/runner.rb
index 1eae6b4..04f9965 100644
--- a/lib/jasmine/headless/runner.rb
+++ b/lib/jasmine/headless/runner.rb
@@ -58,7 +58,7 @@ module Jasmine
 
         targets = Jasmine::TemplateWriter.write!(files_list)
         run_targets = targets.dup
-        run_targets.pop if !@options[:full_run] && files_list.filtered?
+        run_targets.pop if (!@options[:full_run] && files_list.filtered?) || files_list.has_spec_outside_scope?
 
         system jasmine_command(run_targets)
         status = $?.exitstatus
diff --git a/spec/bin/jasmine-headless-webkit_spec.rb b/spec/bin/jasmine-headless-webkit_spec.rb
index 8d00b77..a13b0a4 100644
--- a/spec/bin/jasmine-headless-webkit_spec.rb
+++ b/spec/bin/jasmine-headless-webkit_spec.rb
@@ -26,7 +26,7 @@ describe "jasmine-headless-webkit" do
       system %{bin/jasmine-headless-webkit -j spec/jasmine/success_with_error/success_with_error.yml --report #{report}}
       $?.exitstatus.should == 1
 
-      report.should be_a_report_containing(1, 0, false)
+      report.should be_a_report_containing(0, 0, false)
     end
   end
 
@@ -65,6 +65,13 @@ describe "jasmine-headless-webkit" do
 
         report.should be_a_report_containing(1, 0, false)
       end
+
+      it "should use a file outside the normal test run and only run one" do
+        system %{bin/jasmine-headless-webkit -j spec/jasmine/filtered_success/filtered_success.yml --report #{report} ./spec/jasmine/filtered_success/success_other_file.js}
+        $?.exitstatus.should == 0
+
+        report.should be_a_report_containing(1, 0, false)
+      end
     end
 
     context "do both runs" do
diff --git a/spec/jasmine/filtered_success/success_other_file.js b/spec/jasmine/filtered_success/success_other_file.js
new file mode 100644
index 0000000..e59c2ca
--- /dev/null
+++ b/spec/jasmine/filtered_success/success_other_file.js
@@ -0,0 +1,7 @@
+describe('outside success', function() {
+  it('should succeed', function() {
+    expect(true).toEqual(true);
+  });
+});
+
+
diff --git a/spec/lib/jasmine/files_list_spec.rb b/spec/lib/jasmine/files_list_spec.rb
index cf4027b..2df980a 100644
--- a/spec/lib/jasmine/files_list_spec.rb
+++ b/spec/lib/jasmine/files_list_spec.rb
@@ -99,15 +99,28 @@ describe Jasmine::FilesList do
       end
     end
 
-    let(:filter) { 'spec/one_spec.js' }
+    context 'filter with a file that is matchable' do
+      let(:filter) { [ File.expand_path('spec/one_spec.js') ] }
 
-    it 'should return all files for files' do
-      files_list.files.any? { |file| file['two_spec.js'] }.should be_true
-      files_list.filtered?.should be_true
+      it 'should return all files for files' do
+        files_list.files.any? { |file| file['two_spec.js'] }.should be_true
+        files_list.filtered?.should be_true
+        files_list.should_not have_spec_outside_scope
+      end
+
+      it 'should return only filtered files for filtered_files' do
+        files_list.filtered_files.any? { |file| file['two_spec.js'] }.should be_false
+        files_list.should_not have_spec_outside_scope
+      end
     end
 
-    it 'should return only filtered files for filtered_files' do
-      files_list.filtered_files.any? { |file| file['two_spec.js'] }.should be_false
+    context 'filter with a file that is not even there' do
+      let(:filter) { [ File.expand_path('spec/whatever.js') ] }
+
+      it 'should use the provided file' do
+        files_list.filtered_files.any? { |file| file['whatever.js'] }.should be_true
+        files_list.should have_spec_outside_scope
+      end
     end
   end
 
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index fdb4dda..b138097 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -12,12 +12,20 @@ end
 
 RSpec::Matchers.define :be_a_report_containing do |total, fails, used_console|
   match do |filename|
-    parts = File.read(filename).strip.split('/')
-    parts.length.should == 4
+    parts(filename).length.should == 4
     parts[0].should == total.to_s
     parts[1].should == fails.to_s
     parts[2].should == (used_console ? "T" : "F")
     true
   end
+
+  failure_message_for_should do |filename|
+    parts(filename)
+    "expected #{filename} to be a report containing (#{total}, #{fails}, #{used_console.inspect}), instead it contained (#{parts[0]}, #{parts[1]}, #{(parts[2] == "T").inspect})"
+  end
+
+  def parts(filename = nil)
+    @parts ||= File.read(filename).strip.split('/')
+  end
 end