diff --git a/README.md b/README.md
index 6c09694..a2a289e 100644
--- a/README.md
+++ b/README.md
@@ -61,4 +61,4 @@ The folder name is the 11 character unique string found in the syncthing GUI. Th
 
 An example: a script at the location `~/.syncthing-hooks/night-owlzz-5m` will be executed five minutes after the most recent event in the folder with the identifier `night-owlzz`.
 
-Don't forget to `chmod +x` the script.
+Make sure your folder identifier is exactly 11 characters long and does not have an extension. Also, don't forget to `chmod +x` the script.
diff --git a/hooks.js b/hooks.js
index 19c0531..bd5fb42 100644
--- a/hooks.js
+++ b/hooks.js
@@ -21,7 +21,7 @@ const parseHooks = (root, hooks) =>
   hooks
     .map(x => ({
       path: path.join(root, x),
-      match: x.match(/(?<folder>.*)-(?<time>.*)/),
+      match: x.match(/(?<folder>.{11})-(?<time>.*)/),
     }))
     .filter(x => x.match)
     .map(x => ({
diff --git a/package.json b/package.json
index d714933..eedd6dd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "syncthing-hooks",
-  "version": "0.4.0",
+  "version": "0.3.0",
   "main": "index.js",
   "bin": {
     "syncthing-hooks": "index.js"
diff --git a/yarn.lock b/yarn.lock
index c356364..a27fbe2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -171,9 +171,9 @@ ms@2.1.3:
   integrity sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==
 
 normalize-url@^4.1.0:
-  version "4.5.1"
-  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.1.tgz#0dd90cf1288ee1d1313b87081c9a5932ee48518a"
-  integrity sha512-9UZCFRHQdNrfTpGg8+1INIg93B6zE0aXMVFkw1WFwvO4SlZywU6aLg5Of0Ap/PgcbSw4LNxvMWXMeugwMCX0AA==
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.0.tgz#453354087e6ca96957bd8f5baf753f5982142129"
+  integrity sha512-2s47yzUxdexf1OhyRi4Em83iQk0aPvwTddtFz4hnSSw9dCEsLEGf6SwIO8ss/19S9iBb5sJaOuTvTGDeZI00BQ==
 
 once@^1.3.1, once@^1.4.0:
   version "1.4.0"