diff --git a/src/main.rs b/src/main.rs
index ef18a72..6b177db 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -17,6 +17,13 @@ const STATUS_FILE: &str = "status.json";
 
 #[tokio::main]
 async fn main() {
+    if env::var("consumer_key").is_err() {
+        panic!("env var consumer_key must be set");
+    }
+    if env::var("consumer_secret").is_err() {
+        panic!("env var consumer_secret must be set");
+    }
+
     let app = Router::new()
         .route("/status.json", get(root))
         .route("/api/update", post(the_doors));