diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ee3dda..fdebad5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 0.1.0 (August 11, 2025)
+## 0.1.1 (August 11, 2025)
 
 Initial release.
 
diff --git a/src/lib.rs b/src/lib.rs
index c18049b..222f308 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -127,7 +127,9 @@ extern "C" fn ngx_http_acme_init_worker(cycle: *mut ngx_cycle_t) -> ngx_int_t {
     // SAFETY: cycle passed to the module callbacks is never NULL
     let cycle = unsafe { &mut *cycle };
 
-    let amcf = HttpAcmeModule::main_conf(cycle).expect("acme main conf");
+    let Some(amcf) = HttpAcmeModule::main_conf(cycle) else {
+        return Status::NGX_OK.into();
+    };
 
     if !amcf.is_configured() {
         ngx_log_debug!(cycle.log, "acme: not configured");