2 files changed, 3 insertions, 1 deletions
diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py
index 5e898634d9..cacae7a697 100644
--- a/Lib/test/test_cmd_line.py
+++ b/Lib/test/test_cmd_line.py
@@ -6,7 +6,7 @@ import subprocess
 
 class CmdLineTest(unittest.TestCase):
     def start_python(self, cmd_line):
-        outfp, infp = popen2.popen4('%s %s' % (sys.executable, cmd_line))
+        outfp, infp = popen2.popen4('"%s" %s' % (sys.executable, cmd_line))
         infp.close()
         data = outfp.read()
         outfp.close()
diff --git a/Misc/NEWS b/Misc/NEWS
index bae1ebe26e..add3bbbf23 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -520,6 +520,8 @@ Extension Modules
 Tests
 -----
 
+- Patch #1559413: Fix test_cmd_line if sys.executable contains a space.
+
 - Fix bsddb test_basics.test06_Transactions to check the version
   number properly.