diff --git a/AK/CircularBuffer.cpp b/AK/CircularBuffer.cpp
index 647d4520471..362ba0310bd 100644
--- a/AK/CircularBuffer.cpp
+++ b/AK/CircularBuffer.cpp
@@ -186,7 +186,7 @@ Bytes CircularBuffer::read(Bytes bytes)
     return bytes.trim(bytes.size() - remaining);
 }
 
-ErrorOr<Bytes> CircularBuffer::read_with_seekback(Bytes bytes, size_t distance)
+ErrorOr<Bytes> CircularBuffer::read_with_seekback(Bytes bytes, size_t distance) const
 {
     if (distance > m_seekback_limit)
         return Error::from_string_literal("Tried a seekback read beyond the seekback limit");
diff --git a/AK/CircularBuffer.h b/AK/CircularBuffer.h
index c9a77d78180..52a14b73906 100644
--- a/AK/CircularBuffer.h
+++ b/AK/CircularBuffer.h
@@ -31,7 +31,7 @@ public:
 
     /// Compared to `read()`, this starts reading from an offset that is `distance` bytes
     /// before the current write pointer and allows for reading already-read data.
-    ErrorOr<Bytes> read_with_seekback(Bytes bytes, size_t distance);
+    ErrorOr<Bytes> read_with_seekback(Bytes bytes, size_t distance) const;
 
     ErrorOr<size_t> copy_from_seekback(size_t distance, size_t length);