diff --git a/src/main.ml b/src/main.ml
index 2a1c355..eb19464 100644
--- a/src/main.ml
+++ b/src/main.ml
@@ -6,9 +6,12 @@ let get_img =
     Array.iter (fun c -> Hashtbl.add tbl c ()) [| '.'; '/'; '\\' |];
     tbl
   in
+  (* TODO put basic extensions to allow in Drame *)
   let allowed_extensions =
     let tbl = Hashtbl.create 16 in
-    Array.iter (fun e -> Hashtbl.add tbl e ()) [| ".jpeg"; ".png"; ".gif" |];
+    Array.iter
+      (fun e -> Hashtbl.add tbl e ())
+      [| ".jpg"; ".jpeg"; ".png"; ".gif"; ".svg" |];
     tbl
   in
   fun ~filename request ->
@@ -34,10 +37,11 @@ let get_img =
       let content = Bytes.unsafe_to_string s in
       let mimetype =
         match extension with
-        | ".jpeg" -> Mimetype.Image_jpeg
+        | ".jpg" | ".jpeg" -> Mimetype.Image_jpeg
         | ".png" -> Mimetype.Image_png
         | ".gif" -> Mimetype.Image_gif
-        | _ -> assert false
+        | ".svg" -> Mimetype.Image_svg
+        | s -> failwith (Format.sprintf "get_img, invalid extension: %s" s)
       in
       Ok (Content.Unsafe { content; mimetype })
 
@@ -52,7 +56,7 @@ let get_asset ~filename request =
     match extension with
     | ".css" -> Ok (Content.Unsafe { mimetype = Mimetype.Text_css; content })
     | ".ttf" -> Ok (Content.Unsafe { mimetype = Mimetype.Font_ttf; content })
-    | _ -> assert false )
+    | s -> failwith (Format.sprintf "get_asset, invalid extension: %s" s) )
 
 let get_favicon request =
   let title = "The favicon is not where you think it is!" in