diff -Nru haskell-language-javascript-0.6.0.13/debian/changelog haskell-language-javascript-0.6.0.13/debian/changelog
--- haskell-language-javascript-0.6.0.13/debian/changelog	2019-07-28 14:45:42.000000000 +0000
+++ haskell-language-javascript-0.6.0.13/debian/changelog	2019-11-16 06:19:39.000000000 +0000
@@ -1,3 +1,9 @@
+haskell-language-javascript (0.6.0.13-1+rpi1) bullseye-staging; urgency=medium
+
+  * Force C.UTF-8 locale in debian/rules .
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Sat, 16 Nov 2019 06:19:39 +0000
+
 haskell-language-javascript (0.6.0.13-1) unstable; urgency=medium
 
   * New upstream release
diff -Nru haskell-language-javascript-0.6.0.13/debian/rules haskell-language-javascript-0.6.0.13/debian/rules
--- haskell-language-javascript-0.6.0.13/debian/rules	2019-07-28 14:45:42.000000000 +0000
+++ haskell-language-javascript-0.6.0.13/debian/rules	2019-11-16 06:19:39.000000000 +0000
@@ -1,5 +1,7 @@
 #!/usr/bin/make -f
 
+export LC_ALL=C.UTF-8
+
 DEB_ENABLE_TESTS := yes
 
 include /usr/share/cdbs/1/rules/debhelper.mk