diff --git a/tools/check_logs.py b/tools/check_logs.py
index 6d4436e..0c8fd21 100755
--- a/tools/check_logs.py
+++ b/tools/check_logs.py
@@ -27,6 +27,8 @@
 
 
 is_neutron = os.environ.get('DEVSTACK_GATE_NEUTRON', "0") == "1"
+is_grenade = (os.environ.get('DEVSTACK_GATE_GRENADE', "0") == "1" or
+              os.environ.get('DEVSTACK_GATE_GRENADE_FORWARD', "0") == "1")
 dump_all_errors = is_neutron
 
 
@@ -125,6 +127,9 @@
         if is_neutron:
             print("Currently not failing neutron builds with errors")
             return 0
+        if is_grenade:
+            print("Currently not failing grenade runs with errors")
+            return 0
         print("FAILED")
         return 1
     else: