diff --git a/setter/src/win32.c b/setter/src/win32.c
index d9d5fc3..5add6aa 100644
--- a/setter/src/win32.c
+++ b/setter/src/win32.c
@@ -416,6 +416,12 @@ void GetVolumeInfo(const char *path, size_t *clusterSize)
             dwFileSystemFlags -= FILE_SUPPORTS_POSIX_UNLINK_RENAME;
         }
 
+        if(dwFileSystemFlags & (DWORD)FS_LFN_APIS)
+        {
+            printf("\t\tVolume supports LFN API.\n");
+            dwFileSystemFlags -= FS_LFN_APIS;
+        }
+
         if(dwFileSystemFlags > 0) printf("Unknown flags: 0x%08lx.\n", dwFileSystemFlags);
     }
 
diff --git a/setter/src/win32.h b/setter/src/win32.h
index ed975d8..64b48b3 100644
--- a/setter/src/win32.h
+++ b/setter/src/win32.h
@@ -177,6 +177,10 @@ Copyright (C) 2011-2020 Natalia Portillo
 #define FILE_SUPPORTS_POSIX_UNLINK_RENAME 0x00000400
 #endif
 
+#ifndef FS_LFN_APIS
+#define FS_LFN_APIS 0x00004000
+#endif
+
 #ifndef COMPRESSION_FORMAT_DEFAULT
 #define COMPRESSION_FORMAT_DEFAULT 1
 #endif