diff --git a/src/p_inter.c b/src/p_inter.c
index bce0f6261..a37015029 100644
--- a/src/p_inter.c
+++ b/src/p_inter.c
@@ -830,6 +830,8 @@ void P_CheckTimeLimit(void)
 					thinker_t *th;
 					mobj_t *center = NULL;
 
+					fixed_t rx, ry;
+
 					for (th = thlist[THINK_MOBJ].next; th != &thlist[THINK_MOBJ]; th = th->next)
 					{
 						mobj_t *thismo;
@@ -861,7 +863,24 @@ void P_CheckTimeLimit(void)
 						battleovertime.z = center->z;
 					}
 
-					battleovertime.initial_radius = 4096 * mapobjectscale;
+					// Get largest radius from center point to minimap edges
+
+					rx = max(
+							abs(battleovertime.x - (minimapinfo.min_x * FRACUNIT)),
+							abs(battleovertime.x - (minimapinfo.max_x * FRACUNIT))
+					);
+
+					ry = max(
+							abs(battleovertime.y - (minimapinfo.min_y * FRACUNIT)),
+							abs(battleovertime.y - (minimapinfo.max_y * FRACUNIT))
+					);
+
+					battleovertime.initial_radius = min(
+							max(max(rx, ry), 4096 * mapobjectscale),
+							// Prevent overflow in K_RunBattleOvertime
+							FixedDiv(INT32_MAX, M_PI_FIXED) / 2
+					);
+
 					battleovertime.radius = battleovertime.initial_radius;
 
 					battleovertime.enabled = 1;