diff --git a/src/re_bytes.rs b/src/re_bytes.rs
index ae55d6d25..7f372ebb2 100644
--- a/src/re_bytes.rs
+++ b/src/re_bytes.rs
@@ -578,7 +578,7 @@ impl Regex {
     /// context into consideration. For example, the `\A` anchor can only
     /// match when `start == 0`.
     pub fn is_match_at(&self, text: &[u8], start: usize) -> bool {
-        self.shortest_match_at(text, start).is_some()
+        self.0.searcher().is_match_at(text, start)
     }
 
     /// Returns the same as find, but starts the search at the given
diff --git a/src/re_unicode.rs b/src/re_unicode.rs
index 8c4ecfc9c..46e70f218 100644
--- a/src/re_unicode.rs
+++ b/src/re_unicode.rs
@@ -636,7 +636,7 @@ impl Regex {
     /// context into consideration. For example, the `\A` anchor can only
     /// match when `start == 0`.
     pub fn is_match_at(&self, text: &str, start: usize) -> bool {
-        self.shortest_match_at(text, start).is_some()
+        self.0.searcher_str().is_match_at(text, start)
     }
 
     /// Returns the same as find, but starts the search at the given