diff --git a/src/bytes_mut.rs b/src/bytes_mut.rs
index aa79f8652..a6fb830e7 100644
--- a/src/bytes_mut.rs
+++ b/src/bytes_mut.rs
@@ -1090,7 +1090,7 @@ unsafe impl BufMut for BytesMut {
     unsafe fn advance_mut(&mut self, cnt: usize) {
         let remaining = self.cap - self.len();
         if cnt > remaining {
-            panic_advance(cnt, remaining);
+            super::panic_advance(cnt, remaining);
         }
         // Addition won't overflow since it is at most `self.cap`.
         self.len = self.len() + cnt;
diff --git a/tests/test_buf_mut.rs b/tests/test_buf_mut.rs
index 33aa68038..0abeb9f7a 100644
--- a/tests/test_buf_mut.rs
+++ b/tests/test_buf_mut.rs
@@ -83,7 +83,7 @@ fn test_put_int_le_nbytes_overflow() {
 }
 
 #[test]
-#[should_panic(expected = "cannot advance")]
+#[should_panic(expected = "advance out of bounds: the len is 8 but advancing by 12")]
 fn test_vec_advance_mut() {
     // Verify fix for #354
     let mut buf = Vec::with_capacity(8);