diff --git a/backends/platform/dc/Makefile b/backends/platform/dc/Makefile
index 56848504e11..db5861903bf 100644
--- a/backends/platform/dc/Makefile
+++ b/backends/platform/dc/Makefile
@@ -75,7 +75,7 @@ SCUMMVM.BIN : scummvm.bin
 
 plugin_dist :
 	for p in plugins/*.plg; do \
-	  sh-elf-strip -g -o "`basename \"$$p\" | tr '[:lower:]' '[:upper:]'`" "$$p"; \
+	  sh-elf-strip -g -o "`basename \"$$p\" | LC_CTYPE=C tr '[:lower:]' '[:upper:]'`" "$$p"; \
 	done
 
 dist : SCUMMVM.BIN plugins plugin_dist