diff --git a/build/Makefile b/build/Makefile
index 2ebc5db..6f4ec4c 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -24,6 +24,9 @@ endif
 ifeq ($(UNAME_S), FreeBSD)
 	-include $(CFG_DIR)/systems/FreeBSD.mk
 endif
+ifeq ($(UNAME_S), OpenBSD)
+    -include $(CFG_DIR)/systems/FreeBSD.mk
+endif
 ifeq ($(UNAME_S), Darwin)
 	-include $(CFG_DIR)/systems/Darwin.mk
 endif