diff --git a/3002-pyformat_long_long.patch b/3002-pyformat_long_long.patch
new file mode 100644
index 0000000..81c32e2
--- /dev/null
+++ b/3002-pyformat_long_long.patch
@@ -0,0 +1,19 @@
+diff -rupN Python-2.7.14/configure.ac Python-2.7.14-new/configure.ac
+--- Python-2.7.14/configure.ac	2017-11-05 14:34:54.220985558 +0100
++++ Python-2.7.14-new/configure.ac	2017-11-05 14:34:55.378016507 +0100
+@@ -5077,12 +5077,12 @@ then
+     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+         #include <stdio.h>
+         #include <stddef.h>
+-      ]], [[
+-      char *buffer;
++      ]], [[[
++      char buffer[256];
+       sprintf(buffer, "%lld", (long long)123);
+       sprintf(buffer, "%lld", (long long)-123);
+       sprintf(buffer, "%llu", (unsigned long long)123);
+-      ]])],
++      ]]])],
+       ac_cv_have_long_long_format=yes
+     )
+     CFLAGS=$save_CFLAGS
diff --git a/mingw-python2.spec b/mingw-python2.spec
index f1a7666..9070e28 100644
--- a/mingw-python2.spec
+++ b/mingw-python2.spec
@@ -18,7 +18,7 @@
 
 Name:          mingw-%{pkgname}
 Version:       2.7.14
-Release:       1%{?dist}
+Release:       2%{?dist}
 Summary:       MinGW Windows %{pkgname}
 
 BuildArch:     noarch
@@ -124,6 +124,8 @@ Patch83:       2700-cygpty-isatty-disable-readline.patch
 Patch84:       3000-scoketmodule-libs.patch
 # Also build the winreg module, adapted from https://bugs.python.org/issue17600
 #Patch85:       3001-mingw-winreg.patch
+# Fix PYFORMAT_LONG_LONG not defined, caused by configure test failing due to use of uninitialized variable
+Patch86:       3002-pyformat_long_long.patch
 
 
 BuildRequires: automake autoconf libtool
@@ -279,6 +281,7 @@ rm -f Misc/config_mingw \
 %patch83 -p1
 %patch84 -p1
 #patch85 -p1
+%patch86 -p1
 
 autoreconf -vfi
 
@@ -559,6 +562,9 @@ find %{buildroot}%{mingw64_prefix} | grep -E '.(exe|dll|pyd)$' | sed 's|^%{build
 
 
 %changelog
+* Sun Nov 05 2017 Sandro Mani <manisandro@gmail.com> - 2.7.14-2
+- Fix PYFORMAT_LONG_LONG not defined
+
 * Tue Oct 31 2017 Sandro Mani <manisandro@gmail.com> - 2.7.14-1
 - Update to 2.7.14