--- a/js/src/old-configure.in
+++ b/js/src/old-configure.in
@@ -247,18 +247,18 @@ case "$target" in
                 "$_WINDRES_RELEASE_VERSION" -lt "$WINDRES_RELEASE_VERSION"
         then
             AC_MSG_ERROR([windres version $WINDRES_VERSION or higher is required to build.])
         fi
     fi # !GNU_CC
 
     AC_DEFINE_UNQUOTED(WINVER,0x$WINVER)
     AC_DEFINE_UNQUOTED(_WIN32_WINNT,0x$WINVER)
-    # Require OS features provided by IE 6.0 SP2 (XP SP2)
-    AC_DEFINE_UNQUOTED(_WIN32_IE,0x0603)
+    # Require OS features provided by IE 8.0 (Win7)
+    AC_DEFINE_UNQUOTED(_WIN32_IE,0x0800)
 
     ;;
 esac
 
 if test -n "$_WIN32_MSVC"; then
     SKIP_PATH_CHECKS=1
     SKIP_COMPILER_CHECKS=1
     SKIP_LIBRARY_CHECKS=1

--- a/old-configure.in
+++ b/old-configure.in
@@ -393,18 +393,18 @@ case "$target" in
 
         # strsafe.h on mingw uses macros for function deprecation that pollutes namespace
         # causing problems with local implementations with the same name.
         AC_DEFINE(STRSAFE_NO_DEPRECATE)
     fi # !GNU_CC
 
     AC_DEFINE_UNQUOTED(WINVER,0x$WINVER)
     AC_DEFINE_UNQUOTED(_WIN32_WINNT,0x$WINVER)
-    # Require OS features provided by IE 6.0 SP2 (XP SP2)
-    AC_DEFINE_UNQUOTED(_WIN32_IE,0x0603)
+    # Require OS features provided by IE 8.0 (Win7)
+    AC_DEFINE_UNQUOTED(_WIN32_IE,0x0800)
 
     ;;
 esac
 
 if test -n "$_WIN32_MSVC"; then
     SKIP_PATH_CHECKS=1
     SKIP_COMPILER_CHECKS=1
     SKIP_LIBRARY_CHECKS=1