diff --git a/source/exhumed/src/exhumed.cpp b/source/exhumed/src/exhumed.cpp
index 496a41ba1..dec80d496 100644
--- a/source/exhumed/src/exhumed.cpp
+++ b/source/exhumed/src/exhumed.cpp
@@ -862,13 +862,13 @@ void CheckKeys()
     if (buttonMap.ButtonDown(gamefunc_Enlarge_Screen))
     {
         buttonMap.ClearButton(gamefunc_Enlarge_Screen);
-        if (nMapMode) G_ChangeHudLayout(1);
+        if (!nMapMode) G_ChangeHudLayout(1);
     }
 
     if (buttonMap.ButtonDown(gamefunc_Shrink_Screen))
     {
         buttonMap.ClearButton(gamefunc_Shrink_Screen);
-        if (nMapMode) G_ChangeHudLayout(-1);
+        if (!nMapMode) G_ChangeHudLayout(-1);
     }
 
     // go to 3rd person view?