diff --git a/base/run_command.py b/base/run_command.py
index 133b2e3..2be5ac1 100644
--- a/base/run_command.py
+++ b/base/run_command.py
@@ -21,7 +21,7 @@ class Message(object):
 
 
 class Policy(object):
-    def __init__(self, cb = None):
+    def __init__(self, cb=None):
         self.progress_ = 0.0
         self.cb_ = cb
 
diff --git a/base/utils.py b/base/utils.py
index 742b661..a84f961 100644
--- a/base/utils.py
+++ b/base/utils.py
@@ -146,7 +146,7 @@ def build_command_configure(compiler_flags: CompileInfo, source_dir_path, prefix
     compile_cmd = [executable, '--prefix={0}'.format(prefix_path)]
     compile_cmd.extend(compiler_flags.flags())
     subprocess.call(compile_cmd)
-    subprocess.call(['make', '-j2'])
+    subprocess.call(['make'])
     subprocess.call(['make', 'install'])
     if hasattr(shutil, 'which') and shutil.which('ldconfig'):
         subprocess.call(['ldconfig'])