diff --git a/awx/main/models/inventory.py b/awx/main/models/inventory.py
index 392c011a16..51efab2690 100644
--- a/awx/main/models/inventory.py
+++ b/awx/main/models/inventory.py
@@ -1259,7 +1259,7 @@ class InventoryUpdate(UnifiedJob, InventorySourceOptions):
         if not super(InventoryUpdate, self).can_start:
             return False
 
-        if (self.source != 'custom' and
+        if (self.source not in ('custom', 'ec2') and
                 not (self.credential and self.credential.active)):
             return False
         return True