diff --git a/meta/lib/oeqa/utils/commands.py b/meta/lib/oeqa/utils/commands.py
index 2951dfb49c..57286fcb10 100644
--- a/meta/lib/oeqa/utils/commands.py
+++ b/meta/lib/oeqa/utils/commands.py
@@ -165,7 +165,7 @@ def get_bb_vars(variables=None, target=None, postconfig=None):
 
     if variables is not None:
         variables = variables.copy()
-    var_re = re.compile(r'^(export )?(?P<var>\w+)="(?P<value>.*)"$')
+    var_re = re.compile(r'^(export )?(?P<var>\w+(_.*)?)="(?P<value>.*)"$')
     unset_re = re.compile(r'^unset (?P<var>\w+)$')
     lastline = None
     values = {}