diff --git a/CHANGELOG.mg b/CHANGELOG.mg
new file mode 100644
index 0000000..72bceb8
--- /dev/null
+++ b/CHANGELOG.mg
@@ -0,0 +1,5 @@
+# CHANGELOG
+
+## v0.1.1
+
+- fix: demote zettel with id but no title from error to warn
diff --git a/Cargo.lock b/Cargo.lock
index fdc8bdc..2130c55 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -173,7 +173,7 @@ checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
 
 [[package]]
 name = "folgezettel"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "camino",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index 8e7e210..6918bbc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "folgezettel"
-version = "0.1.0"
+version = "0.1.1"
 edition = "2024"
 description = "Index Folgezettel identifiers from note files"
 readme = "README.md"
diff --git a/src/error.rs b/src/error.rs
index 83aab77..df1a225 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -96,11 +96,15 @@ impl Display for DiagnosticSeverity {
 impl Diagnostic {
     pub fn severity(&self) -> DiagnosticSeverity {
         match self {
+            Diagnostic::InvalidFileName {
+                error: ParseFileNameError::MissingTitleSeparator | ParseFileNameError::EmptyTitle,
+                ..
+            }
+            | Diagnostic::MissingParent { .. } => DiagnosticSeverity::Warning,
             Diagnostic::InvalidFileName { .. } | Diagnostic::DuplicateId { .. } => {
                 DiagnosticSeverity::Error
             }
             Diagnostic::NonZettelFile { .. } => DiagnosticSeverity::Info,
-            Diagnostic::MissingParent { .. } => DiagnosticSeverity::Warning,
         }
     }
 }