diff --git a/DiscImageChef.DiscImages/QCOW/Identify.cs b/DiscImageChef.DiscImages/QCOW/Identify.cs
index 39656279e..472350640 100644
--- a/DiscImageChef.DiscImages/QCOW/Identify.cs
+++ b/DiscImageChef.DiscImages/QCOW/Identify.cs
@@ -47,7 +47,7 @@ namespace DiscImageChef.DiscImages
 
             byte[] qHdrB = new byte[48];
             stream.Read(qHdrB, 0, 48);
-            qHdr = Marshal.ByteArrayToStructureBigEndian<QCowHeader>(qHdrB);
+            qHdr = Marshal.SpanToStructureBigEndian<QCowHeader>(qHdrB);
 
             return qHdr.magic == QCOW_MAGIC && qHdr.version == QCOW_VERSION;
         }
diff --git a/DiscImageChef.DiscImages/QCOW/Read.cs b/DiscImageChef.DiscImages/QCOW/Read.cs
index 25683689a..35ec50ff1 100644
--- a/DiscImageChef.DiscImages/QCOW/Read.cs
+++ b/DiscImageChef.DiscImages/QCOW/Read.cs
@@ -55,7 +55,7 @@ namespace DiscImageChef.DiscImages
 
             byte[] qHdrB = new byte[48];
             stream.Read(qHdrB, 0, 48);
-            qHdr = Marshal.ByteArrayToStructureBigEndian<QCowHeader>(qHdrB);
+            qHdr = Marshal.SpanToStructureBigEndian<QCowHeader>(qHdrB);
 
             DicConsole.DebugWriteLine("QCOW plugin", "qHdr.magic = 0x{0:X8}",          qHdr.magic);
             DicConsole.DebugWriteLine("QCOW plugin", "qHdr.version = {0}",             qHdr.version);