diff --git a/src/posix/i_steam.cpp b/src/posix/i_steam.cpp
index 046adca49..f65478f3e 100644
--- a/src/posix/i_steam.cpp
+++ b/src/posix/i_steam.cpp
@@ -163,7 +163,8 @@ static struct SteamAppInfo
 	{"Strife", 317040},
 	{"Ultimate Doom/rerelease/DOOM_Data/StreamingAssets", 2280},
 	{"Doom 2/rerelease/DOOM II_Data/StreamingAssets", 2300},
-	{"Doom 2/finaldoombase", 2300}
+	{"Doom 2/finaldoombase", 2300},
+    {"Master Levels of Doom/doom2", 9160}
 };
 
 TArray<FString> I_GetSteamPath()
diff --git a/src/win32/i_steam.cpp b/src/win32/i_steam.cpp
index 47bf0eb3f..f8bd74bff 100644
--- a/src/win32/i_steam.cpp
+++ b/src/win32/i_steam.cpp
@@ -295,7 +295,8 @@ TArray<FString> I_GetSteamPath()
 		"Strife",
 		"Ultimate Doom/rerelease/DOOM_Data/StreamingAssets",
 		"Doom 2/rerelease/DOOM II_Data/StreamingAssets",
-		"Doom 2/finaldoombase"
+		"Doom 2/finaldoombase",
+        "Master Levels of Doom/doom2"
 	};
 
 	FString steamPath;