diff --git a/auto/generate_test_runner.rb b/auto/generate_test_runner.rb
index 8be4135..3314016 100644
--- a/auto/generate_test_runner.rb
+++ b/auto/generate_test_runner.rb
@@ -203,6 +203,7 @@ class UnityTestRunnerGenerator
     va_args1   = @options[:use_param_tests] ? ', ...' : ''
     va_args2   = @options[:use_param_tests] ? '__VA_ARGS__' : ''
     output.puts("\n//=======Test Runner Used To Run Each Test Below=====")
+    output.puts("#define RUN_TEST_NO_ARGS") if @options[:use_param_tests] 
     output.puts("#define RUN_TEST(TestFunc, TestLineNum#{va_args1}) \\")
     output.puts("{ \\")
     output.puts("  Unity.CurrentTestName = #TestFunc; \\")
@@ -246,12 +247,16 @@ class UnityTestRunnerGenerator
     output.puts("  suite_setup();") unless @options[:suite_setup].nil?
     output.puts("  Unity.TestFile = \"#{filename}\";")
     output.puts("  UnityBegin();")
-    tests.each do |test|
-      if ((test[:args].nil?) or (test[:args].empty?))
-        output.puts("  RUN_TEST(#{test[:name]}, #{test[:line_number]});")
-      else
-        test[:args].each {|args| output.puts("  RUN_TEST(#{test[:name]}, #{test[:line_number]}, #{args});")}
+    if (@options[:use_param_tests])
+      tests.each do |test|
+        if ((test[:args].nil?) or (test[:args].empty?))
+          output.puts("  RUN_TEST(#{test[:name]}, #{test[:line_number]}, RUN_TEST_NO_ARGS);")
+        else
+          test[:args].each {|args| output.puts("  RUN_TEST(#{test[:name]}, #{test[:line_number]}, #{args});")}
+        end
       end
+    else
+        tests.each { |test| output.puts("  RUN_TEST(#{test[:name]}, #{test[:line_number]});") }
     end
     output.puts()
     output.puts("  return #{@options[:suite_teardown].nil? ? "" : "suite_teardown"}(UnityEnd());")
diff --git a/extras/fixture/rakefile_helper.rb b/extras/fixture/rakefile_helper.rb
index 7e7c801..01a5d66 100644
--- a/extras/fixture/rakefile_helper.rb
+++ b/extras/fixture/rakefile_helper.rb
@@ -8,16 +8,19 @@ require 'yaml'
 require 'fileutils'
 require HERE+'../../auto/unity_test_summary'
 require HERE+'../../auto/generate_test_runner'
-require HERE+'../../auto/colour_reporter'
+require HERE+'../../auto/colour_reporter'
 
 module RakefileHelpers
 
   C_EXTENSION = '.c'
   
   def load_configuration(config_file)
-    $cfg_file = HERE+"../../targets/#{config_file}" unless $cfg_file =~ /[\\|\/]/
-    $cfg = YAML.load(File.read($cfg_file))
-    $colour_output = false unless $cfg['colour']
+    unless ($configured)
+      $cfg_file = HERE+"../../targets/#{config_file}" unless (config_file =~ /[\\|\/]/)
+      $cfg = YAML.load(File.read($cfg_file))
+      $colour_output = false unless $cfg['colour']
+      $configured = true if (config_file != DEFAULT_CONFIG_FILE)
+    end
   end
   
   def configure_clean
@@ -159,7 +162,7 @@ module RakefileHelpers
     simulator = build_simulator_fields
     executable = $cfg['linker']['bin_files']['destination'] + test_base + $cfg['linker']['bin_files']['extension']
     if simulator.nil?
-      cmd_str = executable + " -v -r 8"
+      cmd_str = executable + " -v -r"
     else
       cmd_str = "#{simulator[:command]} #{simulator[:pre_support]} #{executable} #{simulator[:post_support]}"
     end
@@ -171,6 +174,5 @@ module RakefileHelpers
       test_results += '.testpass'
     end
     File.open(test_results, 'w') { |f| f.print output }
-    puts output
   end
 end
diff --git a/extras/fixture/test/unity_fixture_Test.c b/extras/fixture/test/unity_fixture_Test.c
index 915f6e8..7cb86a4 100644
--- a/extras/fixture/test/unity_fixture_Test.c
+++ b/extras/fixture/test/unity_fixture_Test.c
@@ -297,7 +297,7 @@ TEST(LeakDetection, BufferOverrunFoundDuringFree)
 {
     void* m = malloc(10);
     char* s = (char*)m;
-    s[10] = -1;
+    s[10] = (char)0xFF;
     UnityOutputCharSpy_Enable(1);
     EXPECT_ABORT_BEGIN
     free(m);
@@ -312,7 +312,7 @@ TEST(LeakDetection, BufferOverrunFoundDuringRealloc)
 {
     void* m = malloc(10);
     char* s = (char*)m;
-    s[10] = -1;
+    s[10] = (char)0xFF;
     UnityOutputCharSpy_Enable(1);
     EXPECT_ABORT_BEGIN
     m = realloc(m, 100);
diff --git a/extras/fixture/test/unity_output_Spy.c b/extras/fixture/test/unity_output_Spy.c
index 764ee9f..16faefa 100644
--- a/extras/fixture/test/unity_output_Spy.c
+++ b/extras/fixture/test/unity_output_Spy.c
@@ -7,6 +7,7 @@
 
 
 #include "unity_output_Spy.h"
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
diff --git a/rakefile_helper.rb b/rakefile_helper.rb
index f868039..537aa18 100644
--- a/rakefile_helper.rb
+++ b/rakefile_helper.rb
@@ -15,9 +15,12 @@ module RakefileHelpers
   C_EXTENSION = '.c'
   
   def load_configuration(config_file)
-    $cfg_file = "targets/#{config_file}" unless $cfg_file =~ /[\\|\/]/
-    $cfg = YAML.load(File.read($cfg_file))
-    $colour_output = false unless $cfg['colour']
+    unless ($configured)
+      $cfg_file = "targets/#{config_file}" unless (config_file =~ /[\\|\/]/)
+      $cfg = YAML.load(File.read($cfg_file))
+      $colour_output = false unless $cfg['colour']
+      $configured = true if (config_file != DEFAULT_CONFIG_FILE)
+    end
   end
   
   def configure_clean
diff --git a/src/unity_internals.h b/src/unity_internals.h
index e95bc36..28d595d 100644
--- a/src/unity_internals.h
+++ b/src/unity_internals.h
@@ -120,6 +120,8 @@ typedef UNITY_FLOAT_TYPE _UF;
 #define UNITY_OUTPUT_CHAR(a) putchar(a)
 #endif
 
+extern int UNITY_OUTPUT_CHAR(int);
+
 //-------------------------------------------------------
 // Footprint
 //-------------------------------------------------------
diff --git a/test/expectdata/testsample_mock_param.c b/test/expectdata/testsample_mock_param.c
index 4ea583e..5953a25 100644
--- a/test/expectdata/testsample_mock_param.c
+++ b/test/expectdata/testsample_mock_param.c
@@ -1,6 +1,7 @@
 /* AUTOGENERATED FILE. DO NOT EDIT. */
 
 //=======Test Runner Used To Run Each Test Below=====
+#define RUN_TEST_NO_ARGS
 #define RUN_TEST(TestFunc, TestLineNum, ...) \
 { \
   Unity.CurrentTestName = #TestFunc; \
@@ -65,8 +66,8 @@ int main(void)
 {
   Unity.TestFile = "test/testdata/mocksample.c";
   UnityBegin();
-  RUN_TEST(test_TheFirstThingToTest, 21);
-  RUN_TEST(test_TheSecondThingToTest, 43);
+  RUN_TEST(test_TheFirstThingToTest, 21, RUN_TEST_NO_ARGS);
+  RUN_TEST(test_TheSecondThingToTest, 43, RUN_TEST_NO_ARGS);
 
   return (UnityEnd());
 }
diff --git a/test/expectdata/testsample_param.c b/test/expectdata/testsample_param.c
index a367d50..e59579b 100644
--- a/test/expectdata/testsample_param.c
+++ b/test/expectdata/testsample_param.c
@@ -1,6 +1,7 @@
 /* AUTOGENERATED FILE. DO NOT EDIT. */
 
 //=======Test Runner Used To Run Each Test Below=====
+#define RUN_TEST_NO_ARGS
 #define RUN_TEST(TestFunc, TestLineNum, ...) \
 { \
   Unity.CurrentTestName = #TestFunc; \
@@ -43,8 +44,8 @@ int main(void)
 {
   Unity.TestFile = "test/testdata/testsample.c";
   UnityBegin();
-  RUN_TEST(test_TheFirstThingToTest, 21);
-  RUN_TEST(test_TheSecondThingToTest, 43);
+  RUN_TEST(test_TheFirstThingToTest, 21, RUN_TEST_NO_ARGS);
+  RUN_TEST(test_TheSecondThingToTest, 43, RUN_TEST_NO_ARGS);
 
   return (UnityEnd());
 }