diff --git a/src/map/instance.c b/src/map/instance.c
index 68f811b126..333c8ec871 100644
--- a/src/map/instance.c
+++ b/src/map/instance.c
@@ -556,6 +556,19 @@ int instance_destroy(unsigned short instance_id)
 		return 1;
 
 	mode = im->mode;
+	switch(mode) {
+		case IM_NONE:
+			break;
+		case IM_CHAR:
+			sd = map_id2sd(im->owner_id);
+			break;
+		case IM_PARTY:
+			p = party_search(im->owner_id);
+			break;
+		case IM_GUILD:
+			g = guild_search(im->owner_id);
+			break;
+	}
 
 	if(im->state == INSTANCE_IDLE) {
 		for(i = 0; i < instance_wait.count; i++) {