1 files changed, 1 insertions, 1 deletions

diff --git a/meta/lib/oe/package_manager.py b/meta/lib/oe/package_manager.py
index b430ee3a62..d29adaca7b 100644
--- a/meta/lib/oe/package_manager.py
+++ b/meta/lib/oe/package_manager.py
@@ -1141,7 +1141,7 @@ class OpkgPM(PackageManager):
             bb.fatal("Cannot get the installed packages list. Command '%s' "
                      "returned %d:\n%s" % (cmd, e.returncode, e.output))
 
-        if format == "file":
+        if output and format == "file":
             tmp_output = ""
             for line in output.split('\n'):
                 pkg, pkg_file, pkg_arch = line.split()