diff --git a/lib/rscons/builders/library.rb b/lib/rscons/builders/library.rb
index 600a374..28d8f32 100644
--- a/lib/rscons/builders/library.rb
+++ b/lib/rscons/builders/library.rb
@@ -8,7 +8,7 @@ module Rscons
         'AR' => 'ar',
         'LIBSUFFIX' => '.a',
         'ARFLAGS' => [],
-        'ARCOM' => ['${AR}', 'rcs', '${ARFLAGS}', '${_TARGET}', '${_SOURCES}']
+        'ARCMD' => ['${AR}', 'rcs', '${ARFLAGS}', '${_TARGET}', '${_SOURCES}']
       }
     end
 
@@ -20,7 +20,7 @@ module Rscons
           '_TARGET' => target,
           '_SOURCES' => objects,
         })
-        command = env.build_command(env['ARCOM'], vars)
+        command = env.build_command(env['ARCMD'], vars)
         standard_build("AR #{target}", target, command, objects, env, cache)
       end
     end
diff --git a/lib/rscons/builders/object.rb b/lib/rscons/builders/object.rb
index 6c2ead4..0b7d3da 100644
--- a/lib/rscons/builders/object.rb
+++ b/lib/rscons/builders/object.rb
@@ -19,7 +19,7 @@ module Rscons
         'ASPPPATH' => '${CPPPATH}',
         'ASPPFLAGS' => '${CPPFLAGS}',
         'ASDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}'],
-        'ASCOM' => ['${AS}', '-c', '-o', '${_TARGET}', '${ASDEPGEN}', '-I${ASPPPATH}', '${ASPPFLAGS}', '${ASFLAGS}', '${_SOURCES}'],
+        'ASCMD' => ['${AS}', '-c', '-o', '${_TARGET}', '${ASDEPGEN}', '-I${ASPPPATH}', '${ASPPFLAGS}', '${ASFLAGS}', '${_SOURCES}'],
 
         'CPPFLAGS' => [],
         'CPPPATH' => [],
@@ -28,19 +28,19 @@ module Rscons
         'CFLAGS' => [],
         'CSUFFIX' => '.c',
         'CCDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}'],
-        'CCCOM' => ['${CC}', '-c', '-o', '${_TARGET}', '${CCDEPGEN}', '-I${CPPPATH}', '${CPPFLAGS}', '${CFLAGS}', '${_SOURCES}'],
+        'CCCMD' => ['${CC}', '-c', '-o', '${_TARGET}', '${CCDEPGEN}', '-I${CPPPATH}', '${CPPFLAGS}', '${CFLAGS}', '${_SOURCES}'],
 
         'CXX' => 'g++',
         'CXXFLAGS' => [],
         'CXXSUFFIX' => '.cc',
         'CXXDEPGEN' => ['-MMD', '-MF', '${_DEPFILE}'],
-        'CXXCOM' =>['${CXX}', '-c', '-o', '${_TARGET}', '${CXXDEPGEN}', '-I${CPPPATH}', '${CPPFLAGS}', '${CXXFLAGS}', '${_SOURCES}'],
+        'CXXCMD' =>['${CXX}', '-c', '-o', '${_TARGET}', '${CXXDEPGEN}', '-I${CPPPATH}', '${CPPFLAGS}', '${CXXFLAGS}', '${_SOURCES}'],
 
         'DC' => 'gdc',
         'DFLAGS' => [],
         'DSUFFIX' => '.d',
         'D_IMPORT_PATH' => [],
-        'DCCOM' => ['${DC}', '-c', '-o', '${_TARGET}', '-I${D_IMPORT_PATH}', '${DFLAGS}', '${_SOURCES}'],
+        'DCCMD' => ['${DC}', '-c', '-o', '${_TARGET}', '-I${D_IMPORT_PATH}', '${DFLAGS}', '${_SOURCES}'],
       }
     end
 
@@ -61,7 +61,7 @@ module Rscons
       end.tap do |v|
         v.nil? and raise "Error: unknown input file type: #{sources.first.inspect}"
       end.first
-      command = env.build_command(env["#{com_prefix}COM"], vars)
+      command = env.build_command(env["#{com_prefix}CMD"], vars)
       unless cache.up_to_date?(target, command, sources)
         cache.mkdir_p(File.dirname(target))
         FileUtils.rm_f(target)
diff --git a/lib/rscons/builders/program.rb b/lib/rscons/builders/program.rb
index 3254a64..780fd00 100644
--- a/lib/rscons/builders/program.rb
+++ b/lib/rscons/builders/program.rb
@@ -10,7 +10,7 @@ module Rscons
         'LDFLAGS' => [],
         'LIBPATH' => [],
         'LIBS' => [],
-        'LDCOM' => ['${LD}', '-o', '${_TARGET}', '${LDFLAGS}', '${_SOURCES}', '-L${LIBPATH}', '-l${LIBS}']
+        'LDCMD' => ['${LD}', '-o', '${_TARGET}', '${LDFLAGS}', '${_SOURCES}', '-L${LIBPATH}', '-l${LIBS}']
       }
     end
 
@@ -31,7 +31,7 @@ module Rscons
         '_SOURCES' => objects,
         'LD' => ld,
       })
-      command = env.build_command(env['LDCOM'], vars)
+      command = env.build_command(env['LDCMD'], vars)
       standard_build("LD #{target}", target, command, objects, env, cache)
     end
   end