diff --git a/prometheus/values.yaml b/prometheus/values.yaml
index e3675b507..f28e657c5 100644
--- a/prometheus/values.yaml
+++ b/prometheus/values.yaml
@@ -1401,7 +1401,7 @@ conf:
         - name: basic_linux.rules
           rules:
           - alert: node_filesystem_full_80percent
-            expr: sort(node_filesystem_free{device!="ramfs"} < node_filesystem_size{device!="ramfs"}
+            expr: sort(node_filesystem_free{fstype =~ "xfs|ext[34]"} < node_filesystem_size{fstype =~ "xfs|ext[34]"}
               * 0.2) / 1024 ^ 3
             for: 5m
             labels:
@@ -1411,7 +1411,7 @@ conf:
                 got less than 10% space left on its filesystem.'
               summary: '{{$labels.alias}}: Filesystem is running out of space soon.'
           - alert: node_filesystem_full_in_4h
-            expr: predict_linear(node_filesystem_free{device!="ramfs"}[1h], 4 * 3600) <= 0
+            expr: predict_linear(node_filesystem_free{fstype =~ "xfs|ext[34]"}[1h], 4 * 3600) <= 0
             for: 5m
             labels:
               severity: page