diff --git a/Makefile b/Makefile
index ca436a5..8579680 100644
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,7 @@ endef
 define build_translation
     if [ -d ${1} ]; then                                            \
 	for f in `find ${1} -name "*.po"`; do                       \
-	    msgfmt -o `dirname $$f`/`basename -s ".po" $$f`.mo $$f || true; \
+	    msgfmt -o `dirname $$f`/`basename $$f .po`.mo $$f || true; \
 	done;                                                       \
     fi
 endef