diff --git a/doc/changelog.txt b/doc/changelog.txt
index 0286650..30771f3 100644
--- a/doc/changelog.txt
+++ b/doc/changelog.txt
@@ -3,6 +3,7 @@ HEAD
 ====
 Fixes:
 - build: restore functionality of `configure --without-kbuild`
+- build: fix objdir builds for ipset-5 (xt-a specific)
 - xt_LOGMARK: fix detection of untracked connection for Linux >= 2.6.36
 
 
diff --git a/extensions/ipset-5/Makefile.am b/extensions/ipset-5/Makefile.am
index 9f17de3..0ccb330 100644
--- a/extensions/ipset-5/Makefile.am
+++ b/extensions/ipset-5/Makefile.am
@@ -1,6 +1,6 @@
 # -*- Makefile -*-
 
-AM_CFLAGS = ${regular_CFLAGS} ${libmnl_CFLAGS} -Iinclude
+AM_CFLAGS = ${regular_CFLAGS} ${libmnl_CFLAGS} -I${srcdir}/include
 
 include ../../Makefile.extra