1 files changed, 1 insertions, 1 deletions

diff --git a/meta/classes/image.bbclass b/meta/classes/image.bbclass
index 64ae2cb92b..57aaf35552 100644
--- a/meta/classes/image.bbclass
+++ b/meta/classes/image.bbclass
@@ -100,7 +100,7 @@ def command_variables(d):
 python () {
     variables = command_variables(d)
     for var in variables:
-        if d.getVar(var):
+        if d.getVar(var, False):
             d.setVarFlag(var, 'func', '1')
 }