1 files changed, 4 insertions, 1 deletions
diff --git a/common.mk b/common.mk
index b3f518c328..eda225a30a 100644
--- a/common.mk
+++ b/common.mk
@@ -996,7 +996,10 @@ gdb-ruby: $(PROGRAM) run.gdb PHONY
 	$(Q) $(RUNRUBY_COMMAND) $(RUNRUBY_DEBUGGER) -- $(TESTRUN_SCRIPT)
 
 dist:
-	$(BASERUBY) $(srcdir)/tool/make-snapshot -srcdir=$(srcdir) tmp $(RELNAME)
+	$(BASERUBY) $(srcdir)/tool/make-snapshot \
+	-srcdir=$(srcdir) \
+	-unicode-version=$(UNICODE_VERSION) \
+	tmp $(RELNAME)
 
 up:: update-remote