diff --git a/terraform/hydra.nix b/terraform/hydra.nix
index b758616..a9b208b 100644
--- a/terraform/hydra.nix
+++ b/terraform/hydra.nix
@@ -33,7 +33,7 @@ in
     };
 
     resource.hydra_jobset.k900-experiments = {
-      project = config.resource.hydra_project.forkos.name;
+      project = tf.ref "resource.hydra_project.forkos.name";
       state = "enabled";
       visible = true;
       name = "nixpkgs-experiments";
@@ -72,7 +72,7 @@ in
     };
 
     resource.hydra_jobset.raito-nixos-rolling-small = {
-      project = config.resource.hydra_project.forkos.name;
+      project = tf.ref "resource.hydra_project.forkos.name";
       state = "enabled";
       visible = true;
       name = "raito-nixos-rolling-small";
@@ -112,7 +112,7 @@ in
     };
 
     resource.hydra_jobset.delroth-nixpkgs-staging-small = {
-      project = config.resource.hydra_project.forkos.name;
+      project = tf.ref "resource.hydra_project.forkos.name";
       state = "enabled";
       visible = true;
       name = "delroth-nixpkgs-staging-small";
@@ -162,7 +162,7 @@ in
     };
 
     resource.hydra_jobset.infra_main = {
-      project = config.resource.hydra_project.infra.name;
+      project = tf.ref "resource.hydra_project.infra.name";
       state = "enabled";
       visible = true;
       name = "main";
@@ -189,7 +189,7 @@ in
     };
 
     resource.hydra_jobset.hydra_main = {
-      project = config.resource.hydra_project.hydra.name;
+      project = tf.ref "resource.hydra_project.hydra.name";
       state = "enabled";
       visible = true;
       name = "main";
@@ -206,7 +206,7 @@ in
     };
 
     resource.hydra_jobset.nixos-staging-next-small = {
-      project = config.resource.hydra_project.forkos.name;
+      project = tf.ref "resource.hydra_project.forkos.name";
       state = "enabled";
       visible = true;
       name = "nixos-staging-next-small";
@@ -246,7 +246,7 @@ in
     };
 
     resource.hydra_jobset.nixpkgs-staging-next = {
-      project = config.resource.hydra_project.forkos.name;
+      project = tf.ref "resource.hydra_project.forkos.name";
       state = "enabled";
       visible = true;
       name = "nixpkgs-staging-next";
@@ -286,7 +286,7 @@ in
     };
 
     resource.hydra_jobset.nixos-main = {
-      project = config.resource.hydra_project.forkos.name;
+      project = tf.ref "resource.hydra_project.forkos.name";
       state = "enabled";
       visible = true;
       name = "nixos-main";