diff --git a/lib/fudo/prometheus.nix b/lib/fudo/prometheus.nix
index 9e42f71..d7d604c 100644
--- a/lib/fudo/prometheus.nix
+++ b/lib/fudo/prometheus.nix
@@ -154,7 +154,7 @@ in {
             honor_labels = false;
             scheme = if secured then "https" else "http";
             metrics_path = path;
-            static_configs = mkif (static-targets != [ ])
+            static_configs = mkIf (static-targets != [ ])
               (let attachPort = target: "${target}:${toString port}";
               in [{ targets = map attachPort static-targets; }]);
             dns_sd_configs =