diff --git a/Utilities/File.cpp b/Utilities/File.cpp
index deaa13dbdc..f23bb336fe 100644
--- a/Utilities/File.cpp
+++ b/Utilities/File.cpp
@@ -1413,6 +1413,12 @@ fs::file::file(const std::string& path, bs_t<open_mode> mode)
 	};
 
 	m_file = std::make_unique<unix_file>(fd);
+
+	if (mode & fs::isfile && !(mode & fs::write) && stat().is_directory)
+	{
+		m_file.reset();
+		g_tls_error = error::isdir;
+	}
 #endif
 }
 
diff --git a/Utilities/File.h b/Utilities/File.h
index 8e019d8cc5..3ba01c5c39 100644
--- a/Utilities/File.h
+++ b/Utilities/File.h
@@ -32,6 +32,7 @@ namespace fs
 		excl,
 		lock,
 		unread,
+		isfile,
 
 		__bitset_enum_max
 	};
@@ -44,6 +45,7 @@ namespace fs
 	constexpr auto excl    = +open_mode::excl; // Failure if the file already exists (used with `create`)
 	constexpr auto lock    = +open_mode::lock; // Prevent opening the file more than once
 	constexpr auto unread  = +open_mode::unread; // Aggressively prevent reading the opened file (do not use)
+	constexpr auto isfile  = +open_mode::isfile; // Ensure valid fs::file handle is not of directory
 
 	constexpr auto write_new = write + create + excl;
 	constexpr auto rewrite = write + create + trunc;
diff --git a/rpcs3/Emu/RSX/Overlays/overlay_controls.cpp b/rpcs3/Emu/RSX/Overlays/overlay_controls.cpp
index b01b9dde9b..c4507243a9 100644
--- a/rpcs3/Emu/RSX/Overlays/overlay_controls.cpp
+++ b/rpcs3/Emu/RSX/Overlays/overlay_controls.cpp
@@ -27,9 +27,9 @@ namespace rsx
 	{
 		image_info::image_info(const char* filename)
 		{
-			fs::file f(filename);
+			fs::file f(filename, fs::read + fs::isfile);
 
-			if (!f || f.stat().is_directory)
+			if (!f)
 			{
 				rsx_log.error("Image resource file `%s' could not be opened (%s)", filename, fs::g_tls_error);
 				return;
diff --git a/rpcs3/Emu/System.cpp b/rpcs3/Emu/System.cpp
index e67abdb023..90cd936055 100644
--- a/rpcs3/Emu/System.cpp
+++ b/rpcs3/Emu/System.cpp
@@ -931,7 +931,7 @@ game_boot_result Emulator::Load(const std::string& title_id, bool add_only, bool
 					break;
 				}
 
-				if (fs::file sfb_file{parent_dir + "/PS3_DISC.SFB"}; sfb_file && sfb_file.size() >= 4 && sfb_file.read<u32>() == ".SFB"_u32)
+				if (fs::file sfb_file{parent_dir + "/PS3_DISC.SFB", fs::read + fs::isfile}; sfb_file && sfb_file.size() >= 4 && sfb_file.read<u32>() == ".SFB"_u32)
 				{
 					main_dir_name = std::string_view{search_dir}.substr(search_dir.find_last_of(fs::delim) + 1);