diff --git a/lib/utils.cc b/lib/utils.cc
index f8d14306..3d4ccc37 100644
--- a/lib/utils.cc
+++ b/lib/utils.cc
@@ -194,7 +194,8 @@ std::string tohex(const std::string& s)
 
 bool doesFileExist(const std::string& filename)
 {
-	std::ifstream f(filename);
-	return f.good();
+    std::ifstream f(filename);
+    return f.good();
 }
 
+
diff --git a/lib/utils.h b/lib/utils.h
index ea183d8a..38f5113e 100644
--- a/lib/utils.h
+++ b/lib/utils.h
@@ -20,6 +20,15 @@ extern std::string unhex(const std::string& s);
 extern std::string tohex(const std::string& s);
 extern bool doesFileExist(const std::string& filename);
 
+template <class K, class V>
+std::map<V, K> reverseMap(const std::map<K, V>& map)
+{
+	std::map<V, K> reverse;
+	for (const auto& [k, v] : map)
+		reverse[v] = k;
+	return reverse;
+}
+
 /* If set, any running job will terminate as soon as possible (with an error).
  */
 
diff --git a/lib/vfs/lif.cc b/lib/vfs/lif.cc
index fd86bdd2..ba806d82 100644
--- a/lib/vfs/lif.cc
+++ b/lib/vfs/lif.cc
@@ -7,6 +7,64 @@
 /* See https://www.hp9845.net/9845/projects/hpdir/#lif_filesystem for
  * a description. */
 
+static std::map<uint16_t, std::string> numberToFileType = {
+    {0x0001, "TEXT"    },
+    {0x00ff, "D-LEX"   },
+    {0xe008, "BIN8x"   },
+    {0xe010, "DTA8x"   },
+    {0xe020, "BAS8x"   },
+    {0xe030, "XM41"    },
+    {0xe040, "ALL41"   },
+    {0xe050, "KEY41"   },
+    {0xe052, "TXT75"   },
+    {0xe053, "APP75"   },
+    {0xe058, "DAT75"   },
+    {0xe060, "STA41"   },
+    {0xe070, "X-M41"   },
+    {0xe080, "PGM41"   },
+    {0xe088, "BAS75"   },
+    {0xe089, "LEX75"   },
+    {0xe08a, "WKS75"   },
+    {0xe08b, "ROM75"   },
+    {0xe0d0, "SDATA"   },
+    {0xe0d1, "TEXT_S"  },
+    {0xe0f0, "DAT71"   },
+    {0xe0f1, "DAT71_S" },
+    {0xe204, "BIN71"   },
+    {0xe205, "BIN71_S" },
+    {0xe206, "BIN71_P" },
+    {0xe207, "BIN71_SP"},
+    {0xe208, "LEX71"   },
+    {0xe209, "LEX71_S" },
+    {0xe20a, "LEX71_P" },
+    {0xe20b, "LEX71_SP"},
+    {0xe20c, "KEY71"   },
+    {0xe20d, "KEY71_S" },
+    {0xe214, "BAS71"   },
+    {0xe215, "BAS71_S" },
+    {0xe216, "BAS71_P" },
+    {0xe217, "BAS71_SP"},
+    {0xe218, "FTH71"   },
+    {0xe219, "FTH71_S" },
+    {0xe21a, "FTH71_P" },
+    {0xe21b, "FTH71_SP"},
+    {0xe21c, "ROM71"   },
+    {0xe222, "GRA71"   },
+    {0xe224, "ADR71"   },
+    {0xe22e, "SYM71"   },
+    {0xe942, "SYS9k"   },
+    {0xe946, "HP-UX"   },
+    {0xe950, "BAS9k"   },
+    {0xe961, "BDA9k"   },
+    {0xe971, "BIN9k"   },
+    {0xea0a, "DTA9k"   },
+    {0xea32, "COD9k"   },
+    {0xea3e, "TXT9k"   },
+};
+
+static std::map<std::string, uint16_t> fileTypeToNumber =
+    reverseMap(numberToFileType);
+
 static void trimZeros(std::string s)
 {
     s.erase(std::remove(s.begin(), s.end(), 0), s.end());
@@ -27,7 +85,12 @@ class LifFilesystem : public Filesystem
             location = br.read_be32();
             length = br.read_be32() * config.block_size();
 
-            mode = fmt::format("{:04x}", type);
+			auto it = numberToFileType.find(type);
+			if (it != numberToFileType.end())
+				mode = it->second;
+			else
+				mode = fmt::format("{:04x}", type);
+
             path = {filename};
 
             attributes[Filesystem::FILENAME] = filename;