diff --git a/packages/opencode/src/server/server.ts b/packages/opencode/src/server/server.ts
index 1d832d77a26c..f6dd0d122f8c 100644
--- a/packages/opencode/src/server/server.ts
+++ b/packages/opencode/src/server/server.ts
@@ -185,12 +185,15 @@ export namespace Server {
           },
         )
         .use(async (c, next) => {
-          let directory = c.req.query("directory") || c.req.header("x-opencode-directory") || process.cwd()
-          try {
-            directory = decodeURIComponent(directory)
-          } catch {
-            // fallback to original value
-          }
+          if (c.req.path === "/log") return next()
+          const raw = c.req.query("directory") || c.req.header("x-opencode-directory") || process.cwd()
+          const directory = (() => {
+            try {
+              return decodeURIComponent(raw)
+            } catch {
+              return raw
+            }
+          })()
           return Instance.provide({
             directory,
             init: InstanceBootstrap,