diff --git a/debian/rules.d/0-common-vars.mk b/debian/rules.d/0-common-vars.mk
index 13602c4..a488dd5 100644
--- a/debian/rules.d/0-common-vars.mk
+++ b/debian/rules.d/0-common-vars.mk
@@ -214,7 +214,8 @@ kmake = make ARCH=$(build_arch) \
 	KERNELVERSION=$(abi_release)-$(target_flavour) \
 	CONFIG_DEBUG_SECTION_MISMATCH=y \
 	KBUILD_BUILD_VERSION="$(uploadnum)" \
-	LOCALVERSION= localver-extra=
+	LOCALVERSION= localver-extra= \
+	HAVE_CPLUS_DEMANGLE=1
 ifneq ($(LOCAL_ENV_CC),)
 kmake += CC=$(LOCAL_ENV_CC) DISTCC_HOSTS=$(LOCAL_ENV_DISTCC_HOSTS)
 endif