diff --git a/.env.example b/.env.example
index 7a3ce2d9..3f4dac84 100644
--- a/.env.example
+++ b/.env.example
@@ -1,5 +1,5 @@
 # Provider: "nvidia_nim" | "open_router" | "lmstudio"
-PROVIDER_TYPE=nvidia_nim
+PROVIDER_TYPE="nvidia_nim"
 PROVIDER_RATE_LIMIT=40
 PROVIDER_RATE_WINDOW=60