diff --git a/Lib/distutils/msvc9compiler.py b/Lib/distutils/msvc9compiler.py
index 615d8b83a06..bf85ac75c7d 100644
--- a/Lib/distutils/msvc9compiler.py
+++ b/Lib/distutils/msvc9compiler.py
@@ -292,7 +292,6 @@ def query_vcvarsall(version, arch="x86"):
                 result[key] = removeDuplicates(value)
 
     finally:
-        popen.stdin.close()
         popen.stdout.close()
         popen.stderr.close()