diff --git a/Userland/Libraries/LibCompress/Deflate.cpp b/Userland/Libraries/LibCompress/Deflate.cpp
index ae8b9ac2bb..bfdeb991a4 100644
--- a/Userland/Libraries/LibCompress/Deflate.cpp
+++ b/Userland/Libraries/LibCompress/Deflate.cpp
@@ -199,11 +199,17 @@ ErrorOr<bool> DeflateDecompressor::CompressedBlock::try_read_more()
 
         auto const distance = TRY(m_decompressor.decode_distance(distance_symbol));
 
-        for (size_t idx = 0; idx < length; ++idx) {
-            u8 byte = 0;
-            TRY(m_decompressor.m_output_buffer.read_with_seekback({ &byte, sizeof(byte) }, distance));
+        if (distance < length) {
+            for (size_t idx = 0; idx < length; ++idx) {
+                u8 byte = 0;
+                TRY(m_decompressor.m_output_buffer.read_with_seekback({ &byte, sizeof(byte) }, distance));
 
-            m_decompressor.m_output_buffer.write({ &byte, sizeof(byte) });
+                m_decompressor.m_output_buffer.write({ &byte, sizeof(byte) });
+            }
+        } else {
+            Array<u8, DeflateDecompressor::max_back_reference_length> buffer;
+            auto bytes = TRY(m_decompressor.m_output_buffer.read_with_seekback({ buffer.data(), length }, distance));
+            m_decompressor.m_output_buffer.write(bytes);
         }
 
         return true;
@@ -386,7 +392,7 @@ ErrorOr<u32> DeflateDecompressor::decode_length(u32 symbol)
     }
 
     if (symbol == 285)
-        return 258;
+        return DeflateDecompressor::max_back_reference_length;
 
     VERIFY_NOT_REACHED();
 }
diff --git a/Userland/Libraries/LibCompress/Deflate.h b/Userland/Libraries/LibCompress/Deflate.h
index 4767032061..1ca761ad40 100644
--- a/Userland/Libraries/LibCompress/Deflate.h
+++ b/Userland/Libraries/LibCompress/Deflate.h
@@ -104,6 +104,8 @@ private:
     ErrorOr<u32> decode_distance(u32);
     ErrorOr<void> decode_codes(CanonicalCode& literal_code, Optional<CanonicalCode>& distance_code);
 
+    static constexpr u16 max_back_reference_length = 258;
+
     bool m_read_final_bock { false };
 
     State m_state { State::Idle };