--- macros/neon.m4
+++ macros/neon.m4
@@ -1166,7 +1166,7 @@ AC_ARG_WITH([libs],
 yes|no) AC_MSG_ERROR([--with-libs must be passed a directory argument]) ;;
 *) ne_save_IFS=$IFS; IFS=:
    for dir in $with_libs; do
-     ne_add_CPPFLAGS="$ne_add_CPPFLAGS -I${dir}/include"
+     ne_add_CPPFLAGS="$ne_add_CPPFLAGS -I${dir}/usr/include"
      ne_add_LDFLAGS="$ne_add_LDFLAGS -L${dir}/lib"
      ne_add_PATH="${ne_add_PATH}${dir}/bin:"
      PKG_CONFIG_PATH=${PKG_CONFIG_PATH}${PKG_CONFIG_PATH+:}${dir}/lib/pkgconfig