diff --git a/cluster/services/incandescence/provider-options.nix b/cluster/services/incandescence/provider-options.nix
index e51a76d..9cc652d 100644
--- a/cluster/services/incandescence/provider-options.nix
+++ b/cluster/services/incandescence/provider-options.nix
@@ -16,6 +16,10 @@ in
             type = listOf str;
           };
 
+          partOf = mkOption {
+            type = listOf str;
+          };
+
           wants = mkOption {
             type = listOf str;
             default = [ ];
diff --git a/cluster/services/incandescence/provider.nix b/cluster/services/incandescence/provider.nix
index 8c4241a..b3fa989 100644
--- a/cluster/services/incandescence/provider.nix
+++ b/cluster/services/incandescence/provider.nix
@@ -117,8 +117,7 @@ in
     name = "incandescence-${provider}";
     value = {
       description = "An Incandescence | ${provider}";
-      inherit (providerConfig) wantedBy;
-      partOf = providerConfig.wantedBy;
+      inherit (providerConfig) wantedBy partOf;
     };
   }) cfg.providers;