diff --git a/cloud/amazon/ec2_group.py b/cloud/amazon/ec2_group.py
index f84467740b3..6552e5abf67 100644
--- a/cloud/amazon/ec2_group.py
+++ b/cloud/amazon/ec2_group.py
@@ -162,12 +162,12 @@ def get_target_from_rule(module, ec2, rule, name, group, groups, vpc_id):
         group_id = rule['group_id']
     elif 'group_name' in rule:
         group_name = rule['group_name']
-        if group_name in groups:
-            group_id = groups[group_name].id
-        elif group_name == name:
+        if group_name == name:
             group_id = group.id
             groups[group_id] = group
             groups[group_name] = group
+        elif group_name in groups:
+            group_id = groups[group_name].id
         else:
             if not rule.get('group_desc', '').strip():
                 module.fail_json(msg="group %s will be automatically created by rule %s and no description was provided" % (group_name, rule))
@@ -223,7 +223,12 @@ def main():
     groups = {}
     for curGroup in ec2.get_all_security_groups():
         groups[curGroup.id] = curGroup
-        groups[curGroup.name] = curGroup
+        if curGroup.name in groups:
+            # Prioritise groups from the current VPC
+            if vpc_id is None or curGroup.vpc_id == vpc_id:
+                groups[curGroup.name] = curGroup
+        else:
+            groups[curGroup.name] = curGroup
 
         if curGroup.name == name and (vpc_id is None or curGroup.vpc_id == vpc_id):
             group = curGroup