diff --git a/canutils/libuavcan/Makefile b/canutils/libuavcan/Makefile
index a910b2d8f..71af57d92 100644
--- a/canutils/libuavcan/Makefile
+++ b/canutils/libuavcan/Makefile
@@ -35,6 +35,8 @@
 
 -include $(TOPDIR)/.config
 -include $(TOPDIR)/Make.defs
+
+DELIM ?= $(strip \)
 include $(APPDIR)$(DELIM)Make.defs
 
 WGET = wget