diff --git a/package/lttng-tools/lttng-tools.mk b/package/lttng-tools/lttng-tools.mk
index 5be3abb..288e351 100644
--- a/package/lttng-tools/lttng-tools.mk
+++ b/package/lttng-tools/lttng-tools.mk
@@ -21,6 +21,8 @@ LTTNG_AUTORECONF = YES
 ifeq ($(BR2_PACKAGE_LTTNG_LIBUST),y)
 LTTNG_TOOLS_CONF_OPT += --enable-lttng-ust
 LTTNG_TOOLS_DEPENDENCIES += lttng-libust
+# Build fails without this, at least with Linuaro 2012.12 toolchain
+LTTNG_TOOLS_CONF_ENV += LDFLAGS="$(TARGET_LDFLAGS) -lurcu-bp"
 else
 LTTNG_TOOLS_CONF_OPT += --disable-lttng-ust
 endif