diff --git a/autobuild.sh b/autobuild.sh
index a8781b0791..7da8cb5ed2 100755
--- a/autobuild.sh
+++ b/autobuild.sh
@@ -69,6 +69,7 @@ fi
 if test -x /usr/bin/i686-w64-mingw32-gcc ; then
   make distclean
 
+  PKG_CONFIG_LIBDIR="/usr/i686-w64-mingw32/sys-root/mingw/lib/pkgconfig:/usr/i686-w64-mingw32/sys-root/mingw/share/pkgconfig" \
   PKG_CONFIG_PATH="$AUTOBUILD_INSTALL_ROOT/i686-w64-mingw32/sys-root/mingw/lib/pkgconfig" \
   CC="i686-w64-mingw32-gcc" \
   ../configure \
@@ -88,6 +89,7 @@ fi
 if test -x /usr/bin/x86_64-w64-mingw32-gcc ; then
   make distclean
 
+  PKG_CONFIG_LIBDIR="/usr/x86_64-w64-mingw32/sys-root/mingw/lib/pkgconfig:/usr/x86_64-w64-mingw32/sys-root/mingw/share/pkgconfig" \
   PKG_CONFIG_PATH="$AUTOBUILD_INSTALL_ROOT/x86_64-w64-mingw32/sys-root/mingw/lib/pkgconfig" \
   CC="x86_64-w64-mingw32-gcc" \
   ../configure \