diff --git a/src/menu/optionmenu.cpp b/src/menu/optionmenu.cpp
index 12294a36c..4c5b2ef62 100644
--- a/src/menu/optionmenu.cpp
+++ b/src/menu/optionmenu.cpp
@@ -584,7 +584,7 @@ public:
 		Super::Drawer();
 
 		char text[64];
-		mysnprintf(text, 64, "compatflags = %d", *compatflags);
+		mysnprintf(text, 64, "compatflags = %d  compatflags2 = %d", *compatflags, *compatflags2);
 		screen->DrawText (SmallFont, OptionSettings.mFontColorValue,
 			(screen->GetWidth() - SmallFont->StringWidth (text) * CleanXfac_1) / 2, 0, text,
 			DTA_CleanNoMove_1, true, TAG_DONE);
diff --git a/wadsrc/static/compatibility.txt b/wadsrc/static/compatibility.txt
index 4bfa156e6..de05766cf 100644
--- a/wadsrc/static/compatibility.txt
+++ b/wadsrc/static/compatibility.txt
@@ -141,3 +141,10 @@ DCE862393CAAA6FF1294FB7056B53057 // UAC Ultra map07: Contains a scroller dependi
 {
 	ignoreteleporttags
 }
+
+8FF30D57F6CE64F085A6567EC302842A // Enjay's test map for this flag
+9D7893D09FEE55C31B73C670DF850962 // Memento Mori II, map12
+{
+	badangles
+}
+
diff --git a/wadsrc/static/menudef.txt b/wadsrc/static/menudef.txt
index eb6f09dd5..03f0baeac 100644
--- a/wadsrc/static/menudef.txt
+++ b/wadsrc/static/menudef.txt
@@ -1201,6 +1201,7 @@ OptionMenu "CompatibilityOptions"
 	Option "Cripple sound for silent BFG trick",		"compat_soundslots", "YesNo"
 	Option "Draw polyobjects like Hexen",				"compat_POLYOBJ", "YesNo"
 	Option "Ignore Y offsets on masked midtextures",	"compat_MASKEDMIDTEX", "YesNo"
+	Option "Cannot travel straight NSEW",			"compat_badangles", "YesNo"
 	
 	Class "CompatibilityMenu"
 }