diff --git a/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb b/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb
index f0c007d..2391c18 100644
--- a/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb
+++ b/meta-phosphor/recipes-phosphor/logging/phosphor-logging_git.bb
@@ -39,7 +39,7 @@
 inherit phosphor-dbus-yaml
 
 def get_info_cap(d):
-    flash_size = int(d.getVar('FLASH_SIZE'))
+    flash_size = int(d.getVar('FLASH_SIZE') or 0)
     if flash_size <= 32768:
         return "10"
     elif flash_size <= 65536: