diff --git a/poky/meta/recipes-devtools/python/python3/run-ptest b/poky/meta/recipes-devtools/python/python3/run-ptest
index 20c9274..50f9291 100644
--- a/poky/meta/recipes-devtools/python/python3/run-ptest
+++ b/poky/meta/recipes-devtools/python/python3/run-ptest
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-python3 -m test -W | sed -e '/\.\.\. ok/ s/^/PASS: /g' -e '/\.\.\. [ERROR|FAIL]/ s/^/FAIL: /g' -e '/\.\.\. skipped/ s/^/SKIP: /g' -e 's/ \.\.\. ok//g' -e 's/ \.\.\. ERROR//g' -e 's/ \.\.\. FAIL//g' -e 's/ \.\.\. skipped//g'
+python3 -m test -W | sed -u -e '/\.\.\. ok/ s/^/PASS: /g' -e '/\.\.\. [ERROR|FAIL]/ s/^/FAIL: /g' -e '/\.\.\. skipped/ s/^/SKIP: /g' -e 's/ \.\.\. ok//g' -e 's/ \.\.\. ERROR//g' -e 's/ \.\.\. FAIL//g' -e 's/ \.\.\. skipped//g'