diff --git a/tools/objtool/Makefile b/tools/objtool/Makefile
index a43096f713c7..0a1f1559a621 100644
--- a/tools/objtool/Makefile
+++ b/tools/objtool/Makefile
@@ -59,7 +59,7 @@ $(OBJTOOL): $(LIBSUBCMD) $(OBJTOOL_IN)
 
 
 $(LIBSUBCMD): fixdep FORCE
-	$(Q)$(MAKE) -C $(SUBCMD_SRCDIR) OUTPUT=$(LIBSUBCMD_OUTPUT)
+	$(Q)$(MAKE) -C $(SUBCMD_SRCDIR) EXTRA_CFLAGS="${CFLAGS}" OUTPUT=$(LIBSUBCMD_OUTPUT)
 
 clean:
 	$(call QUIET_CLEAN, objtool) $(RM) $(OBJTOOL)