diff --git a/Contributors.asciidoc b/Contributors.asciidoc
index 363c4c92..a82fa503 100644
--- a/Contributors.asciidoc
+++ b/Contributors.asciidoc
@@ -56,6 +56,7 @@ CONTRIBUTOR LIST
 |===
 |Ben Rubson                                                     |ben.rubson at gmail.com
 |Bill Zissimopoulos                                             |billziss at navimatics.com
+|Brett Dutro                                                    |brett.dutro at gmail.com
 |Colin Atkinson (Atakama, https://atakama.com)                  |colin at atakama.com
 |Felix Croes                                                    |felix at dworkin.nl
 |Francois Karam (KS2, http://www.ks2.fr)                        |francois.karam at ks2.fr
diff --git a/src/dll/fuse/fuse_intf.c b/src/dll/fuse/fuse_intf.c
index dd1d975f..9ebc4de7 100644
--- a/src/dll/fuse/fuse_intf.c
+++ b/src/dll/fuse/fuse_intf.c
@@ -1026,6 +1026,22 @@ static NTSTATUS fsp_fuse_intf_Open(FSP_FILE_SYSTEM *FileSystem,
     }
     else
     {
+        /*
+         * In Windows, Go clears any write-related flags when O_APPEND is specified.
+         * This causes WinFSP to think that any O_APPEND requests are actually read-only.
+         * Adding an additional check for the FILE_APPEND_DATA flag ensures the request
+         * is sent with at least O_WRONLY and O_APPEND set.
+         */
+        if (GrantedAccess & FILE_APPEND_DATA)
+        {
+            if (fi.flags == 0)
+            {
+                fi.flags = 1; // Need O_WRONLY as a bare minimum in order to append
+            }
+
+            fi.flags |= 8; /*O_APPEND*/
+        }
+
         if (0 != f->ops.open)
         {
             err = f->ops.open(contexthdr->PosixPath, &fi);