diff --git a/Makefile.am b/Makefile.am
index 7ece020..8065a48 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -19,7 +19,7 @@
 	$(REQ_SCRIPT) \
 	$(REQ_SCRIPT_FILES)
 writefru.hpp: ${REQ_SCRIPT} ${REQ_SCRIPT_FILES}
-	$(AM_V_GEN)$(PYTHON) ${REQ_SCRIPT}
+	$(AM_V_GEN)@FRUGEN@
 
 sbin_PROGRAMS = openpower-read-vpd
 openpower_read_vpd_SOURCES = \