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Diffstat (limited to 'nixos/modules/services/logging/logstash.nix')
-rw-r--r--nixos/modules/services/logging/logstash.nix4
1 files changed, 2 insertions, 2 deletions
diff --git a/nixos/modules/services/logging/logstash.nix b/nixos/modules/services/logging/logstash.nix
index aec45d9286d..3a798c6f372 100644
--- a/nixos/modules/services/logging/logstash.nix
+++ b/nixos/modules/services/logging/logstash.nix
@@ -84,10 +84,10 @@ in
         type = types.lines;
         default = ''stdin { type => "example" }'';
         description = "Logstash input configuration.";
-        example = ''
+        example = literalExample ''
           # Read from journal
           pipe {
-            command => "${pkgs.systemd}/bin/journalctl -f -o json"
+            command => "''${pkgs.systemd}/bin/journalctl -f -o json"
             type => "syslog" codec => json {}
           }
         '';