diff --git a/Makefile b/Makefile
index 59c75d6..9d8bb78 100644
--- a/Makefile
+++ b/Makefile
@@ -829,7 +829,7 @@
 
 all: hwlibs features $(PROGRAM)$(EXEC_SUFFIX) $(PROGRAM).8
 ifeq ($(ARCH), x86)
-	@+$(MAKE) -C util/ich_descriptors_tool/ TARGET_OS=$(TARGET_OS) EXEC_SUFFIX=$(EXEC_SUFFIX)
+	@+$(MAKE) -C util/ich_descriptors_tool/ HOST_OS=$(HOST_OS) TARGET_OS=$(TARGET_OS)
 endif
 
 $(PROGRAM)$(EXEC_SUFFIX): $(OBJS)