diff --git a/prometheus/apache-exporter-full.json b/prometheus/apache-exporter-full.json
index f030582..f213552 100644
--- a/prometheus/apache-exporter-full.json
+++ b/prometheus/apache-exporter-full.json
@@ -179,7 +179,7 @@
               "step": 120
             },
             {
-              "expr": "count_scalar(apache_up{instance=~\"$host:$port\"} == 0)",
+              "expr": "scalar(count(apache_up{instance=~\"$host:$port\"} == 0))",
               "format": "time_series",
               "intervalFactor": 2,
               "legendFormat": "Apache Down",
@@ -738,4 +738,4 @@
   "timezone": "",
   "title": "Apache",
   "version": 13
-}
\ No newline at end of file
+}