diff --git a/src/posix/i_steam.cpp b/src/posix/i_steam.cpp
index f65478f3e..fe73599c9 100644
--- a/src/posix/i_steam.cpp
+++ b/src/posix/i_steam.cpp
@@ -164,7 +164,10 @@ static struct SteamAppInfo
 	{"Ultimate Doom/rerelease/DOOM_Data/StreamingAssets", 2280},
 	{"Doom 2/rerelease/DOOM II_Data/StreamingAssets", 2300},
 	{"Doom 2/finaldoombase", 2300},
-    {"Master Levels of Doom/doom2", 9160}
+    {"Master Levels of Doom/doom2", 9160},
+	{"Heretic + Hexen/base/heretic", 3286930},
+	{"Heretic + Hexen/base/hexen", 3286930},
+	{"Heretic + Hexen/base/hexendk", 3286930}
 };
 
 TArray<FString> I_GetSteamPath()
diff --git a/src/win32/i_steam.cpp b/src/win32/i_steam.cpp
index 0c0512b07..6147a0b43 100644
--- a/src/win32/i_steam.cpp
+++ b/src/win32/i_steam.cpp
@@ -308,7 +308,10 @@ TArray<FString> I_GetSteamPath()
 		"Ultimate Doom/rerelease",                           // 2024 KEX Port
 		"Doom 2/rerelease/DOOM II_Data/StreamingAssets",
 		"Doom 2/finaldoombase",
-        "Master Levels of Doom/doom2"
+        "Master Levels of Doom/doom2",
+		"Heretic + Hexen/base/heretic",                      // vanilla WAD included with the 2025 Kex port
+		"Heretic + Hexen/base/hexen",                        // vanilla WAD included with the 2025 Kex port
+		"Heretic + Hexen/base/hexendk"                       // vanilla WAD included with the 2025 Kex port
 	};
 
 	FString steamPath;