diff --git a/installation/pleroma.vcl b/installation/pleroma.vcl
index 57b6d17b3..13dad784c 100644
--- a/installation/pleroma.vcl
+++ b/installation/pleroma.vcl
@@ -109,7 +109,7 @@ sub vcl_hash {
 
 sub vcl_backend_fetch {
     # Be more lenient for slow servers on the fediverse
-    if bereq.url ~ "^/proxy/" {
+    if (bereq.url ~ "^/proxy/") {
       set bereq.first_byte_timeout = 300s;
     }