1 files changed, 3 insertions, 1 deletions

diff --git a/meta/lib/oeqa/utils/subprocesstweak.py b/meta/lib/oeqa/utils/subprocesstweak.py
index 1774513023..046667faa9 100644
--- a/meta/lib/oeqa/utils/subprocesstweak.py
+++ b/meta/lib/oeqa/utils/subprocesstweak.py
@@ -12,7 +12,9 @@ class OETestCalledProcessError(subprocess.CalledProcessError):
 
         s = super().__str__()
         s = s + "\nStandard Output: " + strify(self.output)
-        s = s + "\nStandard Error: " + strify(self.stderr)
+        # stderr is not available for check_output method
+        if self.stderr != None:
+            s = s + "\nStandard Error: " + strify(self.stderr)
         return s
 
 def errors_have_output():