diff --git a/kernel/src/Api/BuildNo.hpp b/kernel/src/Api/BuildNo.hpp
index 4a8b1ef..feb58dc 100644
--- a/kernel/src/Api/BuildNo.hpp
+++ b/kernel/src/Api/BuildNo.hpp
@@ -12,4 +12,4 @@
 
 #pragma once
 
-#define MONTAUK_BUILD_NUMBER 20
+#define MONTAUK_BUILD_NUMBER 21
diff --git a/kernel/src/Fs/Ramdisk.cpp b/kernel/src/Fs/Ramdisk.cpp
index 2b15fd0..6c91998 100644
--- a/kernel/src/Fs/Ramdisk.cpp
+++ b/kernel/src/Fs/Ramdisk.cpp
@@ -175,6 +175,13 @@ namespace Fs::Ramdisk {
         if (path[0] == '/') path++;
 
         for (int i = 0; i < fileCount; i++) {
+            // Directories are not openable as files. Without this,
+            // userspace stat() classified every directory with a tar
+            // entry as a regular file (GCC's include-path setup then
+            // rejected real directories with "not a directory").
+            if (fileTable[i].isDirectory) {
+                continue;
+            }
             if (StrEqual(fileTable[i].name, path)) {
                 return i;
             }