diff --git a/packages/proxy/default.nix b/packages/proxy/default.nix
index cf8f66a..89b4788 100644
--- a/packages/proxy/default.nix
+++ b/packages/proxy/default.nix
@@ -32,8 +32,8 @@ in
         else ["reqwest-rustls"]
       )
       ++ (optional withMimalloc "mimalloc")
-      ++ (optional withMimalloc "avif")
-      ++ (optional withMimalloc "webp");
+      ++ (optional withAVIF "avif")
+      ++ (optional withWebP "webp");
 
     buildInputs = optional withOpenSSL openssl;
     nativeBuildInputs = [] ++ (optional withAVIF nasm) ++ (optional withOpenSSL pkg-config);