diff --git a/plugins/builtin/romfs/lang/en_US.json b/plugins/builtin/romfs/lang/en_US.json
index 9b22b7d8e..fcb8e1145 100644
--- a/plugins/builtin/romfs/lang/en_US.json
+++ b/plugins/builtin/romfs/lang/en_US.json
@@ -443,6 +443,7 @@
     "hex.builtin.provider.file": "Regular File",
     "hex.builtin.provider.file.error.open": "Failed to open file {}: {}",
     "hex.builtin.provider.file.error.already_open": "Same file is already open",
+    "hex.builtin.provider.file.error.is_directory": "Selected entry '{}' is a directory",
     "hex.builtin.provider.file.access": "Last access time",
     "hex.builtin.provider.file.creation": "Creation time",
     "hex.builtin.provider.file.menu.direct_access": "Direct access file",
diff --git a/plugins/builtin/source/content/providers/file_provider.cpp b/plugins/builtin/source/content/providers/file_provider.cpp
index 89f7c5764..00fc74ebb 100644
--- a/plugins/builtin/source/content/providers/file_provider.cpp
+++ b/plugins/builtin/source/content/providers/file_provider.cpp
@@ -235,6 +235,9 @@ namespace hex::plugin::builtin {
         m_readable = true;
         m_writable = true;
 
+        if (wolv::io::fs::isDirectory(m_path))
+            return OpenResult::failure(fmt::format("hex.builtin.provider.file.error.is_directory"_lang, m_path.string()));
+
         wolv::io::File file(m_path, wolv::io::File::Mode::Write);
         if (!file.isValid()) {
             m_writable = false;