diff --git a/rslib/src/search/parser.rs b/rslib/src/search/parser.rs
index 4197e19ed..1ba1328ea 100644
--- a/rslib/src/search/parser.rs
+++ b/rslib/src/search/parser.rs
@@ -293,8 +293,8 @@ fn search_node_for_text_with_argument<'a>(
         "is" => parse_state(val)?,
         "flag" => parse_flag(val)?,
         "rated" => parse_rated(val)?,
+        "dupe" => parse_dupe(val)?,
         "resched" => parse_resched(val)?,
-        "dupe" => parse_dupes(val)?,
         "prop" => parse_prop(val)?,
         "re" => SearchNode::Regex(unescape_quotes(val)),
         "nc" => SearchNode::NoCombining(unescape(val)?),
@@ -392,8 +392,8 @@ fn parse_resched(val: &str) -> ParseResult<SearchNode<'static>> {
     Ok(SearchNode::Rated { days, ease })
 }
 
-/// eg dupes:1231,hello
-fn parse_dupes(val: &str) -> ParseResult<SearchNode> {
+/// eg dupe:1231,hello
+fn parse_dupe(val: &str) -> ParseResult<SearchNode> {
     let mut it = val.splitn(2, ',');
     let mid: NoteTypeID = it.next().unwrap().parse()?;
     let text = it.next().ok_or(ParseError {})?;
diff --git a/rslib/src/search/sqlwriter.rs b/rslib/src/search/sqlwriter.rs
index dc39999d4..4e2faf076 100644
--- a/rslib/src/search/sqlwriter.rs
+++ b/rslib/src/search/sqlwriter.rs
@@ -123,7 +123,7 @@ impl SqlWriter<'_> {
                 self.write_single_field(&norm(field), &self.norm_note(text), *is_re)?
             }
             SearchNode::Duplicates { note_type_id, text } => {
-                self.write_dupes(*note_type_id, &self.norm_note(text))?
+                self.write_dupe(*note_type_id, &self.norm_note(text))?
             }
             SearchNode::Regex(re) => self.write_regex(&self.norm_note(re)),
             SearchNode::NoCombining(text) => self.write_no_combining(&self.norm_note(text)),
@@ -443,7 +443,7 @@ impl SqlWriter<'_> {
         Ok(())
     }
 
-    fn write_dupes(&mut self, ntid: NoteTypeID, text: &str) -> Result<()> {
+    fn write_dupe(&mut self, ntid: NoteTypeID, text: &str) -> Result<()> {
         let text_nohtml = strip_html_preserving_media_filenames(text);
         let csum = field_checksum(text_nohtml.as_ref());
 
diff --git a/rslib/src/search/writer.rs b/rslib/src/search/writer.rs
index 0b67224f7..8c2199c8a 100644
--- a/rslib/src/search/writer.rs
+++ b/rslib/src/search/writer.rs
@@ -119,7 +119,7 @@ fn write_search_node(node: &SearchNode) -> String {
         NoteType(s) => quote(&format!("note:{}", s)),
         Rated { days, ease } => write_rated(days, ease),
         Tag(s) => quote(&format!("tag:{}", s)),
-        Duplicates { note_type_id, text } => quote(&format!("dupes:{},{}", note_type_id, text)),
+        Duplicates { note_type_id, text } => quote(&format!("dupe:{},{}", note_type_id, text)),
         State(k) => write_state(k),
         Flag(u) => format!("\"flag:{}\"", u),
         NoteIDs(s) => format!("\"nid:{}\"", s),