diff --git a/Userland/Libraries/LibCompress/Gzip.cpp b/Userland/Libraries/LibCompress/Gzip.cpp
index 6238054ee7..5f23560bd7 100644
--- a/Userland/Libraries/LibCompress/Gzip.cpp
+++ b/Userland/Libraries/LibCompress/Gzip.cpp
@@ -54,7 +54,7 @@ GzipDecompressor::Member::Member(BlockHeader header, NonnullOwnPtr<DeflateDecomp
 {
 }
 
-GzipDecompressor::GzipDecompressor(NonnullOwnPtr<Stream> stream)
+GzipDecompressor::GzipDecompressor(MaybeOwned<Stream> stream)
     : m_input_stream(make<LittleEndianInputBitStream>(move(stream)))
 {
 }
diff --git a/Userland/Libraries/LibCompress/Gzip.h b/Userland/Libraries/LibCompress/Gzip.h
index 1cf212ade9..72eea0a197 100644
--- a/Userland/Libraries/LibCompress/Gzip.h
+++ b/Userland/Libraries/LibCompress/Gzip.h
@@ -42,7 +42,7 @@ struct Flags {
 
 class GzipDecompressor final : public Stream {
 public:
-    GzipDecompressor(NonnullOwnPtr<Stream>);
+    GzipDecompressor(MaybeOwned<Stream>);
     ~GzipDecompressor();
 
     virtual ErrorOr<Bytes> read_some(Bytes) override;