diff --git a/rslib/src/storage/tag/mod.rs b/rslib/src/storage/tag/mod.rs
index 6cd44e193..e0f1b0bd4 100644
--- a/rslib/src/storage/tag/mod.rs
+++ b/rslib/src/storage/tag/mod.rs
@@ -68,7 +68,7 @@ impl SqliteStorage {
     pub(crate) fn clear_tag(&self, tag: &str) -> Result<()> {
         self.db
             .prepare_cached("delete from tags where tag regexp ?")?
-            .execute(&[format!("^{}($|::)", regex::escape(tag))])?;
+            .execute(&[format!("(?i)^{}($|::)", regex::escape(tag))])?;
 
         Ok(())
     }
diff --git a/rslib/src/tags.rs b/rslib/src/tags.rs
index 876b96f8e..0e70d77bb 100644
--- a/rslib/src/tags.rs
+++ b/rslib/src/tags.rs
@@ -435,7 +435,7 @@ mod test {
 
         // tag children are also cleared when clearing their parent
         col.storage.clear_tags()?;
-        for name in vec!["a", "a::b", "a::b::c"] {
+        for name in vec!["a", "a::b", "A::b::c"] {
             col.register_tag(Tag::new(name.to_string(), Usn(0)))?;
         }
         col.storage.clear_tag("a")?;