diff --git a/Makefile b/Makefile
index 1f0b993..0ae97bf 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,6 @@
+export LANG = en_US.UTF-8
+export LC_ALL = en_US.UTF-8
+
 .PHONY: test
 
 test: bin/s7 demo/.godot