diff --git a/db/import-tmpl/instance_db.txt b/db/import-tmpl/instance_db.txt
index cd085a2c4c..929f270f3b 100644
--- a/db/import-tmpl/instance_db.txt
+++ b/db/import-tmpl/instance_db.txt
@@ -1,5 +1,5 @@
 // Instance Database
 //
 // Structure of Database:
-// ID,Name,LimitTime,EnterMap,EnterX,EnterY,Map1,Map2,Map3,Map4,Map5,Map6,Map7,Map8
+// ID,Name,LimitTime,IdleTimeout,EnterMap,EnterX,EnterY,Map1,Map2,Map3,Map4,Map5,Map6,Map7,Map8
 
diff --git a/db/pre-re/instance_db.txt b/db/pre-re/instance_db.txt
index 91937eb1de..912ce9a14b 100644
--- a/db/pre-re/instance_db.txt
+++ b/db/pre-re/instance_db.txt
@@ -1,9 +1,9 @@
 // Instance Database
 //
 // Structure of Database:
-// ID,Name,LimitTime,EnterMap,EnterX,EnterY,Map1,Map2,Map3,Map4,Map5,Map6,Map7,Map8
+// ID,Name,LimitTime,IdleTimeout,EnterMap,EnterX,EnterY,Map1,Map2,Map3,Map4,Map5,Map6,Map7,Map8
 
-1,Endless Tower,14400,1@tower,50,355,1@tower,2@tower,3@tower,4@tower,5@tower,6@tower
-2,Sealed Catacomb,7200,1@cata,100,224,1@cata,2@cata
-3,Orc's Memory,3600,1@orcs,179,15,1@orcs,2@orcs
-4,Nidhoggur's Nest,14400,1@nyd,32,36,1@nyd,2@nyd
+1,Endless Tower,14400,300,1@tower,50,355,1@tower,2@tower,3@tower,4@tower,5@tower,6@tower
+2,Sealed Catacomb,7200,300,1@cata,100,224,1@cata,2@cata
+3,Orc's Memory,3600,300,1@orcs,179,15,1@orcs,2@orcs
+4,Nidhoggur's Nest,14400,300,1@nyd,32,36,1@nyd,2@nyd
diff --git a/db/re/instance_db.txt b/db/re/instance_db.txt
index 1c3df13f10..417ae9071c 100644
--- a/db/re/instance_db.txt
+++ b/db/re/instance_db.txt
@@ -1,18 +1,18 @@
 // Instance Database
 //
 // Structure of Database:
-// ID,Name,LimitTime,EnterMap,EnterX,EnterY,Map1,Map2,Map3,Map4,Map5,Map6,Map7,Map8
+// ID,Name,LimitTime,IdleTime,EnterMap,EnterX,EnterY,Map1,Map2,Map3,Map4,Map5,Map6,Map7,Map8
 
-1,Endless Tower,14400,1@tower,50,355,1@tower,2@tower,3@tower,4@tower,5@tower,6@tower
-2,Sealed Catacomb,7200,1@cata,100,224,1@cata,2@cata
-3,Orc's Memory,3600,1@orcs,179,15,1@orcs,2@orcs
-4,Nidhoggur's Nest,14400,1@nyd,32,36,1@nyd,2@nyd
-5,Mistwood Maze,7200,1@mist,89,29,1@mist
-6,Culvert,3600,1@pump,63,98,1@pump,2@pump
-7,Octopus Cave,3600,1@cash,199,99,1@cash
-8,Bangungot Hospital 2F,3600,1@ma_h,40,157,1@ma_h
-9,Buwaya Cave,3600,1@ma_c,35,57,1@ma_c
-10,Bakonawa Lake,7200,1@ma_b,64,51,1@ma_b
-11,Wolfchev's Laboratory,14400,1@lhz,45,148,1@lhz
-12,Old Glast Heim,3600,1@gl_k,150,20,1@gl_k,2@gl_k
-13,Eclage Interior,1200,1@ecl,60,50,1@ecl
+1,Endless Tower,14400,300,1@tower,50,355,1@tower,2@tower,3@tower,4@tower,5@tower,6@tower
+2,Sealed Catacomb,7200,300,1@cata,100,224,1@cata,2@cata
+3,Orc's Memory,3600,300,1@orcs,179,15,1@orcs,2@orcs
+4,Nidhoggur's Nest,14400,300,1@nyd,32,36,1@nyd,2@nyd
+5,Mistwood Maze,7200,300,1@mist,89,29,1@mist
+6,Culvert,3600,300,1@pump,63,98,1@pump,2@pump
+7,Octopus Cave,3600,300,1@cash,199,99,1@cash
+8,Bangungot Hospital 2F,3600,300,1@ma_h,40,157,1@ma_h
+9,Buwaya Cave,3600,300,1@ma_c,35,57,1@ma_c
+10,Bakonawa Lake,7200,300,1@ma_b,64,51,1@ma_b
+11,Wolfchev's Laboratory,14400,300,1@lhz,45,148,1@lhz
+12,Old Glast Heim,3600,300,1@gl_k,150,20,1@gl_k,2@gl_k
+13,Eclage Interior,1200,300,1@ecl,60,50,1@ecl
diff --git a/src/map/instance.c b/src/map/instance.c
index 1fa43f41dd..13d375af3d 100644
--- a/src/map/instance.c
+++ b/src/map/instance.c
@@ -21,7 +21,6 @@
 #include <stdlib.h>
 
 #define INSTANCE_INTERVAL	60000	// Interval used to check when an instance is to be destroyed (ms)
-#define INSTANCE_LIMIT		300000	// Idle timer before instance is destroyed (ms) : 5 Minute Default
 
 int instance_start = 0; // To keep the last index + 1 of normal map inserted in the map[ARRAY]
 
@@ -227,8 +226,8 @@ static int instance_startidletimer(struct instance_data *im, unsigned short inst
 		return 1;
 
 	// Add the timer
-	im->idle_limit = (unsigned int)time(NULL) + INSTANCE_LIMIT/1000;
-	im->idle_timer = add_timer(gettick()+INSTANCE_LIMIT, instance_delete_timer, instance_id, 0);
+	im->idle_limit = (unsigned int)time(NULL) + db->timeout;
+	im->idle_timer = add_timer(gettick() + db->timeout * 1000, instance_delete_timer, instance_id, 0);
 
 	switch(im->mode) {
 		case IM_NONE:
@@ -446,8 +445,8 @@ int instance_addmap(unsigned short instance_id)
 
 	// Set to busy, update timers
 	im->state = INSTANCE_BUSY;
-	im->idle_limit = (unsigned int)time(NULL) + INSTANCE_LIMIT/1000;
-	im->idle_timer = add_timer(gettick()+INSTANCE_LIMIT, instance_delete_timer, instance_id, 0);
+	im->idle_limit = (unsigned int)time(NULL) + db->timeout;
+	im->idle_timer = add_timer(gettick() + db->timeout * 1000, instance_delete_timer, instance_id, 0);
 
 	// Add the maps
 	for(i = 0; i < db->maplist_count; i++) {