diff --git a/app/Jobs/ApplicationDeploymentJob.php b/app/Jobs/ApplicationDeploymentJob.php
index d91334745..725b8cbc0 100644
--- a/app/Jobs/ApplicationDeploymentJob.php
+++ b/app/Jobs/ApplicationDeploymentJob.php
@@ -882,11 +882,17 @@ class ApplicationDeploymentJob implements ShouldQueue, ShouldBeEncrypted
             foreach ($this->application->runtime_environment_variables as $env) {
                 $environment_variables->push("$env->key=$env->value");
             }
+            foreach ($this->application->nixpacks_environment_variables as $env) {
+                $environment_variables->push("$env->key=$env->value");
+            }
         } else {
             // ray($this->application->runtime_environment_variables_preview)->green();
             foreach ($this->application->runtime_environment_variables_preview as $env) {
                 $environment_variables->push("$env->key=$env->value");
             }
+            foreach ($this->application->nixpacks_environment_variables_preview as $env) {
+                $environment_variables->push("$env->key=$env->value");
+            }
         }
         // Add PORT if not exists, use the first port as default
         if ($environment_variables->filter(fn ($env) => Str::of($env)->contains('PORT'))->isEmpty()) {