diff --git a/auto/generate_test_runner.rb b/auto/generate_test_runner.rb
index 4cef607..15459af 100644
--- a/auto/generate_test_runner.rb
+++ b/auto/generate_test_runner.rb
@@ -31,7 +31,7 @@ class UnityTestRunnerGenerator
 
   def run(input_file, output_file, options=nil)
     tests = []
-    includes = []
+    testfile_includes = []
     used_mocks = []
     
     @options.merge!(options) unless options.nil?
@@ -39,24 +39,24 @@ class UnityTestRunnerGenerator
     
     #pull required data from source file
     File.open(input_file, 'r') do |input|
-      tests      = find_tests(input)
-      includes   = find_includes(input)
-      used_mocks = find_mocks(includes)
+      tests               = find_tests(input)
+      testfile_includes   = find_includes(input)
+      used_mocks          = find_mocks(testfile_includes)
     end
 
     #build runner file
-    generate(input_file, output_file, tests, includes, used_mocks)
+    generate(input_file, output_file, tests, used_mocks)
     
     #determine which files were used to return them
     all_files_used = [input_file, output_file]
-    all_files_used += includes.map {|filename| filename + '.c'} unless includes.empty?
+    all_files_used += testfile_includes.map {|filename| filename + '.c'} unless testfile_includes.empty?
     all_files_used += @options[:includes] unless @options[:includes].empty?
     return all_files_used.uniq
   end
   
-  def generate(input_file, output_file, tests, includes, used_mocks)
+  def generate(input_file, output_file, tests, used_mocks)
     File.open(output_file, 'w') do |output|
-      create_header(output, includes, used_mocks)
+      create_header(output, used_mocks)
       create_externs(output, tests, used_mocks)
       create_mock_management(output, used_mocks)
       create_suite_setup_and_teardown(output)
@@ -127,13 +127,13 @@ class UnityTestRunnerGenerator
     return mock_headers  
   end
   
-  def create_header(output, includes, mocks)
+  def create_header(output, mocks)
     output.puts('/* AUTOGENERATED FILE. DO NOT EDIT. */')
     create_runtest(output, mocks)
     output.puts("\n//=======Automagically Detected Files To Include=====")
     output.puts("#include \"#{@options[:framework].to_s}.h\"")
     output.puts('#include "cmock.h"') unless (mocks.empty?)
-    ((@options[:includes] + includes).flatten.uniq.compact).each do |inc|
+    @options[:includes].flatten.uniq.compact.each do |inc|
       output.puts("#include #{inc.include?('<') ? inc : "\"#{inc.gsub('.h','')}.h\""}")
     end
     output.puts('#include <setjmp.h>')
@@ -155,7 +155,7 @@ class UnityTestRunnerGenerator
     output.puts("extern void setUp(void);")
     output.puts("extern void tearDown(void);")
     tests.each do |test|
-      output.puts("extern void #{test[:test]}(#{test[:call]});")
+      output.puts("extern void #{test[:test]}(#{test[:call] || 'void'});")
     end
     output.puts('')
   end
diff --git a/test/testunity.c b/test/testunity.c
index 4e069c9..b3ce6e4 100644
--- a/test/testunity.c
+++ b/test/testunity.c
@@ -359,18 +359,37 @@ void testEqualInt16s(void)
     _US16 v0, v1;
     _US16 *p0, *p1;
     
-    v0 = 0x9876;
-    v1 = 0x9876;
+    v0 = 0x7876;
+    v1 = 0x7876;
     p0 = &v0;
     p1 = &v1;
 
-    TEST_ASSERT_EQUAL_INT16(0x9876, 0x9876);
+    TEST_ASSERT_EQUAL_INT16(0x7876, 0x7876);
     TEST_ASSERT_EQUAL_INT16(v0, v1);
-    TEST_ASSERT_EQUAL_INT16(0x9876, v1);
-    TEST_ASSERT_EQUAL_INT16(v0, 0x9876);
+    TEST_ASSERT_EQUAL_INT16(0x7876, v1);
+    TEST_ASSERT_EQUAL_INT16(v0, 0x7876);
     TEST_ASSERT_EQUAL_INT16(*p0, v1);
     TEST_ASSERT_EQUAL_INT16(*p0, *p1);
-    TEST_ASSERT_EQUAL_INT16(*p0, 0x9876);
+    TEST_ASSERT_EQUAL_INT16(*p0, 0x7876);
+}
+
+void testEqualInt16sNegatives(void)
+{
+    _US16 v0, v1;
+    _US16 *p0, *p1;
+    
+    v0 = -7876;
+    v1 = -7876;
+    p0 = &v0;
+    p1 = &v1;
+
+    TEST_ASSERT_EQUAL_INT16(-7876, -7876);
+    TEST_ASSERT_EQUAL_INT16(v0, v1);
+    TEST_ASSERT_EQUAL_INT16(-7876, v1);
+    TEST_ASSERT_EQUAL_INT16(v0, -7876);
+    TEST_ASSERT_EQUAL_INT16(*p0, v1);
+    TEST_ASSERT_EQUAL_INT16(*p0, *p1);
+    TEST_ASSERT_EQUAL_INT16(*p0, -7876);
 }
 
 void testEqualInt16sWhenThereAreDifferencesOutside16Bits(void)