diff --git a/script/service-still-runnable b/script/service-still-runnable
index a9f294a..8c568d8 100755
--- a/script/service-still-runnable
+++ b/script/service-still-runnable
@@ -1,23 +1,30 @@
 #!/bin/bash
 # This script is part of Booth.
 # It checks whether the given resource (service) still has a chance
 # to run on the local cluster, so that booth knows whether to
 # acquire the ticket here.
 
 set -e
 
 service="${1:?Need a resource name as first argument.}"
 
+# might say "resource g_http is NOT running", but still returns 0.
+if ! crm_resource -W --resource "$service" &> /dev/null ; then
+	echo "Error: Resource name '$service' is now known."
+	exit 1
+fi
+
+
 all_INF=1
 for eligible_node in `crm_node -p` ; do
 	stat=`crm_failcount -G -r "$service" -N "$eligible_node"`
 	if [[ "$stat" == "scope=status "*"name="*" value="* &&
 		"$stat" != *" value=INFINITY" ]] ; then
 		all_INF=0
 	fi
 done
 
 
 # if INFINITY on all nodes, the service can't run anywhere.
 # so tell booth to _not_ get the ticket.
 exit $all_INF