diff --git a/dev b/dev
index 281ebe33..19380038 100755
--- a/dev
+++ b/dev
@@ -85,7 +85,7 @@ def main():
 
         testnet_var = "SEED_P2P_TESTNET_NAME"
         if testnet_var not in os.environ:
-            os.environ[testnet_var] = ""
+            os.environ[testnet_var] = "dev"
 
         os.environ["VITE_DESKTOP_APPDATA"] = "Seed.dev"
         os.environ["VITE_LIGHTNING_API_URL"] = "https://ln.testnet.seed.hyper.media"