diff --git a/llamafile/server/client.cpp b/llamafile/server/client.cpp
index 6c3caad81c..63617d4448 100644
--- a/llamafile/server/client.cpp
+++ b/llamafile/server/client.cpp
@@ -587,7 +587,7 @@ Client::dispatcher()
 
     if (!g_url_prefix.empty()) {
         if (FLAG_verbose >= 2) {
-             SLOG("request path %.*s", (int)p.size(), p.data());
+            SLOG("request path %.*s", (int)p.size(), p.data());
         }
 
         size_t prefix_len = g_url_prefix.size();
@@ -598,8 +598,7 @@ Client::dispatcher()
         }
 
         // Adjust path view to exclude prefix
-        p = ctl::string_view(p.data() + prefix_len,
-                           p.size() - prefix_len);
+        p = ctl::string_view(p.data() + prefix_len, p.size() - prefix_len);
     }
 
     if (p == "/tokenize")
@@ -610,6 +609,8 @@ Client::dispatcher()
         return embedding();
     if (p == "/completion")
         return completion();
+
+    SLOG("path not found: %.*s", (int)p.size(), p.data());
     return send_error(404);
 }
 
diff --git a/llamafile/server/main.cpp b/llamafile/server/main.cpp
index 080b675fce..ffa5d6f5b5 100644
--- a/llamafile/server/main.cpp
+++ b/llamafile/server/main.cpp
@@ -61,7 +61,8 @@ main(int argc, char* argv[])
     llamafile_get_flags(argc, argv);
 
     // normalize URL prefix
-    g_url_prefix = normalize_url_prefix(FLAG_url_prefix);
+    if (FLAG_url_prefix)
+        g_url_prefix = normalize_url_prefix(FLAG_url_prefix);
 
     // initialize subsystems
     time_init();
@@ -130,4 +131,4 @@ main(int argc, char* argv[])
     while (!pthread_orphan_np())
         pthread_decimate_np();
     CheckForMemoryLeaks();
-}
\ No newline at end of file
+}
diff --git a/llamafile/server/normalize_url_prefix.cpp b/llamafile/server/normalize_url_prefix.cpp
new file mode 100644
index 0000000000..6397d95e15
--- /dev/null
+++ b/llamafile/server/normalize_url_prefix.cpp
@@ -0,0 +1,40 @@
+// -*- mode:c++;indent-tabs-mode:nil;c-basic-offset:4;coding:utf-8 -*-
+// vi: set et ft=cpp ts=4 sts=4 sw=4 fenc=utf-8 :vi
+//
+// Copyright 2024 Mozilla Foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "utils.h"
+
+#include <cosmo.h>
+
+ctl::string
+normalize_url_prefix(ctl::string url_prefix)
+{
+    // Rule 1: Replace multiple slashes with single slash
+    while (url_prefix.find("//") != ctl::string::npos) {
+        url_prefix.replace(url_prefix.find("//"), 2, "/");
+    }
+
+    // Rule 2: Remove trailing slash
+    if (!url_prefix.empty() && url_prefix.back() == '/') {
+        url_prefix.pop_back();
+    }
+
+    // Rule 3: Convert single slash to empty string
+    if (url_prefix == "/") {
+        url_prefix.clear();
+    }
+    return url_prefix;
+}
diff --git a/llamafile/server/or_empty.cpp b/llamafile/server/or_empty.cpp
new file mode 100644
index 0000000000..fbaa484d71
--- /dev/null
+++ b/llamafile/server/or_empty.cpp
@@ -0,0 +1,26 @@
+// -*- mode:c++;indent-tabs-mode:nil;c-basic-offset:4;coding:utf-8 -*-
+// vi: set et ft=cpp ts=4 sts=4 sw=4 fenc=utf-8 :vi
+//
+// Copyright 2024 Mozilla Foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "utils.h"
+
+ctl::string_view
+or_empty(ctl::optional<ctl::string_view> x)
+{
+    if (x.has_value())
+        return x.value();
+    return {};
+}
diff --git a/llamafile/server/utils.h b/llamafile/server/utils.h
index 4435138da4..9e1c3ae608 100644
--- a/llamafile/server/utils.h
+++ b/llamafile/server/utils.h
@@ -25,28 +25,8 @@ extern const signed char kHexToInt[256];
 bool
 atob(ctl::string_view, bool);
 
-static inline ctl::string_view
-or_empty(ctl::optional<ctl::string_view> x)
-{
-    if (x.has_value())
-        return x.value();
-    return {};
-}
+ctl::string_view
+or_empty(ctl::optional<ctl::string_view> x);
 
-static inline ctl::string normalize_url_prefix(ctl::string url_prefix) {
-    // Rule 1: Replace multiple slashes with single slash
-    while (url_prefix.find("//") != ctl::string::npos) {
-        url_prefix.replace(url_prefix.find("//"), 2, "/");
-    }
-
-    // Rule 2: Remove trailing slash
-    if (!url_prefix.empty() && url_prefix.back() == '/') {
-        url_prefix.pop_back();
-    }
-
-    // Rule 3: Convert single slash to empty string
-    if (url_prefix == "/") {
-        url_prefix.clear();
-    }
-    return url_prefix;
-}
\ No newline at end of file
+ctl::string
+normalize_url_prefix(ctl::string url_prefix);