diff --git a/src/am_map.c b/src/am_map.c
index dabc154d5..a184ea768 100644
--- a/src/am_map.c
+++ b/src/am_map.c
@@ -199,7 +199,7 @@ static fixed_t scale_ftom;
 
 static player_t *plr; // the player represented by an arrow
 
-static INT32 followplayer = true; // specifies whether to follow the player around
+static boolean followplayer = true; // specifies whether to follow the player around
 
 // function for drawing lines, depends on rendermode
 typedef void (*AMDRAWFLINEFUNC) (const fline_t *fl, INT32 color);